统计学原理作业答案

统计学原理作业答案

宁大专科《统计学原理》作业第一次作业一、单项选择题1、社会经济统计学研究对象（C）。A、社会经济现象总体B、社会经济现象个体C、社会经济现象总体的数量方面D、社会经济现象的数量方面2、统计研究在（B）阶段的方法属于大量观察法。A、统计设计B、统计调查C、统计整理D、统计分析3、、研究某市工业企业生产设备使用状况，那么，统计总体为（A）。A、该市全部工业企业B、该市每一个工业企业C、该市全部工业企业每一台生产设备D、该市全部工业企业所有生产设备4、下列标志属于品质标志的是（C）。A、工人年龄B、工人工资C、工人性别D、工人体重5、下列变量中，属于连续变量的是（C）。A、企业数B、职工人数C、利润额D、设备台数6、把一个工厂的工人组成总体，那么每一个工人就是（A）。A、总体单位B、数量标志C、指标D、报告单位7、几位工人的工资分别为1500元、1800元和2500元，这几个数字是（C）。A、指标B、变量C、变量值D、标志8、变异的涵义是（A）。A、统计中标志的不同表现。B、总体单位有许多不同的标志。C、现象总体可能存在各种各样的指标。D、品质标志的具体表现。9、销售额和库存额两指标（D）。A、均为时点指标B、均为时期指标C、前者是时点指标，后者是时期指标D、前者是时期指标，后者是时点指标10、下列指标中属于时期指标的有（B）。A、机器台数B、产量C、企业数D、库存额11、不同时点的指标数值（B）。A、具有可加性B、不具有可加性C、可加或可减D、以上都不对12、某企业计划规定劳动生产率比上年提高5%，实际提高8%，则该企业劳动生产率计划完成程度为（B）。A、86%B、102.86%C、60%D、160%13、某市2004年重工业增加值为轻工业增加值的85%，该指标是（C）。A、比较相对指标B、结构相对指标C、比例相对指标D、计划相对指标二、简答题1、什么是总体和单位，举例说明。答：（1）总体：统计所研究对象的全体，即由具有某一共同属性的许多个别事物所组成的集合。单位：构成总体的每一个别事物。（2）了解某企业的设备情况，每台设备是单位，所有设备是总体。2、标志与指标的区别和联系。答：最后让全班孩子伸出手书空一遍，既活跃了气氛，又加深了对重点知识的印象。可惜机会错过去了，以致解求出勤率时，出现了很不理想的效果ChapterIGeneralprovisionsarticleIobligationtoclearcreditpre-loaninvestigationrequirements,improvethequalityofpre-loaninvestigation,preventcreditrisks,accordingtotheCBRCcommercialbankcreditduediligenceguidelines,commercialbankcreditsmallbusinessduediligenceguidelines(trial)andotherregulatoryrequirementsandtheactualsituationoftheBank,thesemeasuresareformulated.Secondpersonmentionedinthesemeasuresreferstoinaccordancewiththerulesofcreditinvestigations,surveysandanalysisofthecreditbusinesspeople.ArticlecreditmentionedinthesemeasuresreferstotableprovidedtocustomersbothinsideandoutsideoftheBank'screditbusiness,includingforeigncurrencyloans,tradefinance,bankacceptances,commercialbilldiscounting,guarantees,factoring,credit,loancommitment,guaranteeandothercreditoperations,excludingclientcreditbusiness.Priortothechengdaiinvestigationintothefourtharticlethisreferstocreditbeforethereview,investigatorsbyobtaining,verification,analysisandsecurityaspectsofthesituation,evaluationandrevealsthepossiblecreditrisksandtoproposepreventivemeasures.Articlefifthduediligenceinthesemeasuresreferstothepersoninthepre-loaninvestigationproceduresfulfillingthemostbasicduediligencerequirements.Articlesixthofthemselves,pre-loaninvestigatorsrelativesorotherinterestedpersontoapplyforthecreditbusiness,oneshouldapplyforthewithdrawal.ChapterIIduediligenceduediligenceworkisthebasicrequirementoftheseventharticle:followtheprinciplesoftrue,complete,valid,anddiligenceduediligenceincarryingoutinvestigationduties.Investigatorsshouldbebasedonthecharacteristicsofdifferentvarietiesofcreditbusiness,credit-13-\n（1）区别：反映对象不同表示形式不同标志：单位文字和数值指标：总体数值（2）标志汇总得到指标标志与指标可以变换关系3、时期指标与时点指标的区别。（1）不同时间的可加性指标数值大小与时间长短的关系数值登记时间指标：可加性直接关系连续时点指标：不可加性无直接关系间断4、常见的相对指标有哪些，各有什么作用？（1）结构相对指标：利用统计分组法，将数据分为不同性质的若干部分，以部分数值与全部数值对比，反映数据的内在结构特征。（2）比例相对指标：总体部分与部分的数量对比，反映事物各部分之间的数量联系程度。（3）比较相对指标：同类现象在不同地区、部门、单位之间的数值对比，用以表现同类现象在不同空间的数量对比关系。（4）强度相对指标：两个性质不同，但有一定联系的数值之比，用心说明现象发展的强度、密度和普遍程度。（5）动态相对指标：同类现象在不同时间的数值对比，用以说明现象的方向与速度。（6）计划完成程度相对指标：将某一时期的实际完成数与同期的计划数进行对比，反映计划的执行情况。三、计算题1、某企业2010年甲产品单位成本计划为100元，实际为98元，求该企业甲产品单位成本计划完成程度。解：超额完成计划2、某企业计划规定2010年劳动生产率要比2009年提高4%，实际执行结果比上年提高5%，求劳动生产率计划完成情况。再若，该企业计划规定2010年的可比产品成本比2009年降低5%，实际执行结果比上年降低了6%，求可比产品成本计划完成情况。解：超额完成计划超额完成计划3、某市某年国内生产总值（GDP）为1084亿元，其中第一产业74.8亿元，第二产业499.8亿元，第三产业509.4亿元，计算该市国内生产总值（GDP）三个产业的比重。解：第一产业比重：最后让全班孩子伸出手书空一遍，既活跃了气氛，又加深了对重点知识的印象。可惜机会错过去了，以致解求出勤率时，出现了很不理想的效果ChapterIGeneralprovisionsarticleIobligationtoclearcreditpre-loaninvestigationrequirements,improvethequalityofpre-loaninvestigation,preventcreditrisks,accordingtotheCBRCcommercialbankcreditduediligenceguidelines,commercialbankcreditsmallbusinessduediligenceguidelines(trial)andotherregulatoryrequirementsandtheactualsituationoftheBank,thesemeasuresareformulated.Secondpersonmentionedinthesemeasuresreferstoinaccordancewiththerulesofcreditinvestigations,surveysandanalysisofthecreditbusinesspeople.ArticlecreditmentionedinthesemeasuresreferstotableprovidedtocustomersbothinsideandoutsideoftheBank'screditbusiness,includingforeigncurrencyloans,tradefinance,bankacceptances,commercialbilldiscounting,guarantees,factoring,credit,loancommitment,guaranteeandothercreditoperations,excludingclientcreditbusiness.Priortothechengdaiinvestigationintothefourtharticlethisreferstocreditbeforethereview,investigatorsbyobtaining,verification,analysisandsecurityaspectsofthesituation,evaluationandrevealsthepossiblecreditrisksandtoproposepreventivemeasures.Articlefifthduediligenceinthesemeasuresreferstothepersoninthepre-loaninvestigationproceduresfulfillingthemostbasicduediligencerequirements.Articlesixthofthemselves,pre-loaninvestigatorsrelativesorotherinterestedpersontoapplyforthecreditbusiness,oneshouldapplyforthewithdrawal.ChapterIIduediligenceduediligenceworkisthebasicrequirementoftheseventharticle:followtheprinciplesoftrue,complete,valid,anddiligenceduediligenceincarryingoutinvestigationduties.Investigatorsshouldbebasedonthecharacteristicsofdifferentvarietiesofcreditbusiness,credit-13-\n第二产业比重：第三产业比重：4、2003年某百货公司所属商店销售计划执行情况如表3—11所示。商店名称20102009年实际零售额2010年零售额为2009年的%计划实际零售额完成计划%零售额比重（%）（甲）（1）（2）（3）（4）（5）（6）中山大华光明40002500625031.3719.6149.0248002750500012011080300020004000160.00137.50125.00合计12750100.001255098.439000139.44要求：计算表中所缺数值，并说出（1）、（2）、（4）、（6）栏是什么数值。答：（1）栏：总量指标（时期指标）（2）栏：相对指标（结构相对指标）（4）栏：相对指标（计划完成程度相对指标）（6）栏：相对指标（动态相对指标）第二次作业一、单项选择题1、平均数反映了总体（A）。A、分布的集中趋势B、分布的离中趋势C、分布的变动趋势D、分布的可比程度2、加权算术平均数的大小受各组（D）。A、次数（）的影响最大B、标志值（）的影响最大C、比重（）的影响最大D、标志值（）和次数（）的共同影响3、在同一变量数列中，当标志值比较大的次数多时，计算出来的平均数（B）。A、接近标志值小的一方B、接近标志值大的一方C、接近次数少的一方D、接近哪方无法判断4、加权算术平均数公式中的权数是（A）。A、B、C、D、5、加权算术平均数公式中的权数是（C）。A、B、C、D、6、某厂第一批产品废品率为1%，第二批废品率为1.最后让全班孩子伸出手书空一遍，既活跃了气氛，又加深了对重点知识的印象。可惜机会错过去了，以致解求出勤率时，出现了很不理想的效果ChapterIGeneralprovisionsarticleIobligationtoclearcreditpre-loaninvestigationrequirements,improvethequalityofpre-loaninvestigation,preventcreditrisks,accordingtotheCBRCcommercialbankcreditduediligenceguidelines,commercialbankcreditsmallbusinessduediligenceguidelines(trial)andotherregulatoryrequirementsandtheactualsituationoftheBank,thesemeasuresareformulated.Secondpersonmentionedinthesemeasuresreferstoinaccordancewiththerulesofcreditinvestigations,surveysandanalysisofthecreditbusinesspeople.ArticlecreditmentionedinthesemeasuresreferstotableprovidedtocustomersbothinsideandoutsideoftheBank'screditbusiness,includingforeigncurrencyloans,tradefinance,bankacceptances,commercialbilldiscounting,guarantees,factoring,credit,loancommitment,guaranteeandothercreditoperations,excludingclientcreditbusiness.Priortothechengdaiinvestigationintothefourtharticlethisreferstocreditbeforethereview,investigatorsbyobtaining,verification,analysisandsecurityaspectsofthesituation,evaluationandrevealsthepossiblecreditrisksandtoproposepreventivemeasures.Articlefifthduediligenceinthesemeasuresreferstothepersoninthepre-loaninvestigationproceduresfulfillingthemostbasicduediligencerequirements.Articlesixthofthemselves,pre-loaninvestigatorsrelativesorotherinterestedpersontoapplyforthecreditbusiness,oneshouldapplyforthewithdrawal.ChapterIIduediligenceduediligenceworkisthebasicrequirementoftheseventharticle:followtheprinciplesoftrue,complete,valid,anddiligenceduediligenceincarryingoutinvestigationduties.Investigatorsshouldbebasedonthecharacteristicsofdifferentvarietiesofcreditbusiness,credit-13-\n5%，第三批废品率为2%。第一批产品数量占总数的25%，第二批占30%，第三批占45%，则产品的平均废品率为（C）。A、1.5%B、4.5%C、1.6%D、1.48%7、根据单项式分组数列计算加权算术平均数和直接利用该数列的未分组资料计算简单算术平均数是（D）。A、一致的B、不一致的C、多数情况下一致D、多数情况下不一致8、当只有总体标志总量和各标志值，而缺少总体单位资料时，计算平均数应采用（B）。A、加权算术平均法B、加权调和平均法C、几何平均法D、简单算术平均法8、已知某公司所属企业的资金利润率和占用资金金额，计算该公司的平均资金利润率应采用（A）。A、加权算术平均法B、加权调和平均法C、几何平均法D、序时平均法9、统计中测定变量数列离中趋势的指标主要是（D）。A、算术平均数B、全距C、平均差D、标准差10、标志变异指标与平均数代表性大小成（B）。A、正比关系B、反比关系C、无关系D、常数关系11、2010年某地区城市与乡村平均每人居住面积分别为7.3和18平方米，标准差分别为2.8和6平方米。居住面积的变动度是（A）。A、城市大B、乡村大C、城市与乡村一个样D、城市与乡村居住面积变动度不能比较二、简答题1、什么是平均指标？答：同质总体某一标志值的一般水平，反映总体标志值的集中趋势2、什么是标准差系数，为什么要计算标准差系数？答：标准差系数是标准差与平均数的比值。当同类现象平均水平不同时和不同类现象比较平均数代表性大小，就要用标准差系数。三、计算题1、某商店有营业员40人，某日按销售额分组的变量分布数列如下表所示：日销售额（元）人数（人）比重f/∑f(%)组中值xxfX·f/∑f1000以下1000～15001500～20002000～25002500以上56204512.515.050.010.012.57501250175022502750375075003500090001375093.75187.50875.00225.00343.75合计40100.0—690001725.00要求：用次数和比重为权数分别计算平均日销售额。解：次数为权数：（元）最后让全班孩子伸出手书空一遍，既活跃了气氛，又加深了对重点知识的印象。可惜机会错过去了，以致解求出勤率时，出现了很不理想的效果ChapterIGeneralprovisionsarticleIobligationtoclearcreditpre-loaninvestigationrequirements,improvethequalityofpre-loaninvestigation,preventcreditrisks,accordingtotheCBRCcommercialbankcreditduediligenceguidelines,commercialbankcreditsmallbusinessduediligenceguidelines(trial)andotherregulatoryrequirementsandtheactualsituationoftheBank,thesemeasuresareformulated.Secondpersonmentionedinthesemeasuresreferstoinaccordancewiththerulesofcreditinvestigations,surveysandanalysisofthecreditbusinesspeople.ArticlecreditmentionedinthesemeasuresreferstotableprovidedtocustomersbothinsideandoutsideoftheBank'screditbusiness,includingforeigncurrencyloans,tradefinance,bankacceptances,commercialbilldiscounting,guarantees,factoring,credit,loancommitment,guaranteeandothercreditoperations,excludingclientcreditbusiness.Priortothechengdaiinvestigationintothefourtharticlethisreferstocreditbeforethereview,investigatorsbyobtaining,verification,analysisandsecurityaspectsofthesituation,evaluationandrevealsthepossiblecreditrisksandtoproposepreventivemeasures.Articlefifthduediligenceinthesemeasuresreferstothepersoninthepre-loaninvestigationproceduresfulfillingthemostbasicduediligencerequirements.Articlesixthofthemselves,pre-loaninvestigatorsrelativesorotherinterestedpersontoapplyforthecreditbusiness,oneshouldapplyforthewithdrawal.ChapterIIduediligenceduediligenceworkisthebasicrequirementoftheseventharticle:followtheprinciplesoftrue,complete,valid,anddiligenceduediligenceincarryingoutinvestigationduties.Investigatorsshouldbebasedonthecharacteristicsofdifferentvarietiesofcreditbusiness,credit-13-\n比重为权数：（元）要求：用次数和比重为权数分别计算平均日销售额。2、某商场销售某种商品的售价和销售额资料如表所示等级单价（元）销售额（元）一级二级三级2016122,160,0001,152,000720,000合计—4,032,000要求：试计算该商品的平均销售价格。解：已知销售额（分子）——加权调和平均数（元）3、某家庭最近5年投资收益情况如下：投资项目年投资收益率（%）年平均投资额（万元）房产股票债券20-54503020合计—100试求：年平均投资收益率。解：已知年平均投资额（分母）——加权算术平均数4、某工厂三个车间的产品合格率分别为90%、95%和100%，产量分别为200、200和100件。问三个车间平均合格率是多少？解：5、某工厂三个车间产品单位成本分别为10、11和12元，产量比重分别为60%、30%和10%。问三个车间平均单位成本是多少？解：6、统计学原理甲班成绩如下：最后让全班孩子伸出手书空一遍，既活跃了气氛，又加深了对重点知识的印象。可惜机会错过去了，以致解求出勤率时，出现了很不理想的效果ChapterIGeneralprovisionsarticleIobligationtoclearcreditpre-loaninvestigationrequirements,improvethequalityofpre-loaninvestigation,preventcreditrisks,accordingtotheCBRCcommercialbankcreditduediligenceguidelines,commercialbankcreditsmallbusinessduediligenceguidelines(trial)andotherregulatoryrequirementsandtheactualsituationoftheBank,thesemeasuresareformulated.Secondpersonmentionedinthesemeasuresreferstoinaccordancewiththerulesofcreditinvestigations,surveysandanalysisofthecreditbusinesspeople.ArticlecreditmentionedinthesemeasuresreferstotableprovidedtocustomersbothinsideandoutsideoftheBank'screditbusiness,includingforeigncurrencyloans,tradefinance,bankacceptances,commercialbilldiscounting,guarantees,factoring,credit,loancommitment,guaranteeandothercreditoperations,excludingclientcreditbusiness.Priortothechengdaiinvestigationintothefourtharticlethisreferstocreditbeforethereview,investigatorsbyobtaining,verification,analysisandsecurityaspectsofthesituation,evaluationandrevealsthepossiblecreditrisksandtoproposepreventivemeasures.Articlefifthduediligenceinthesemeasuresreferstothepersoninthepre-loaninvestigationproceduresfulfillingthemostbasicduediligencerequirements.Articlesixthofthemselves,pre-loaninvestigatorsrelativesorotherinterestedpersontoapplyforthecreditbusiness,oneshouldapplyforthewithdrawal.ChapterIIduediligenceduediligenceworkisthebasicrequirementoftheseventharticle:followtheprinciplesoftrue,complete,valid,anddiligenceduediligenceincarryingoutinvestigationduties.Investigatorsshouldbebasedonthecharacteristicsofdifferentvarietiesofcreditbusiness,credit-13-\n成绩(分)人数f 组中值60以下60~7070~8080~9090以上281610455657585951105201200850380-21.5-11.5-1.58.518.5462.25132.252.2572.25342.25924.51058.036.0722.51369.0合计40—3060——4110.0又已知乙班平均成绩65分，标准差10分，试比较两班平均成绩代表性大小。解：（分）（分）甲班平均成绩代表性大。7、甲、乙两单位人数及月工资资料如表所示：月工资（元）甲单位人数乙单位人数4000以下4000~60006000~80008000~1000010000以上122584126281187310342合计267238要求：（1）比较甲、乙两单位哪个单位工资水平高？（2）计算甲、乙两单位职工月工资的标准差和标准差系数，说明哪个单位的平均工资更具有代表性。最后让全班孩子伸出手书空一遍，既活跃了气氛，又加深了对重点知识的印象。可惜机会错过去了，以致解求出勤率时，出现了很不理想的效果ChapterIGeneralprovisionsarticleIobligationtoclearcreditpre-loaninvestigationrequirements,improvethequalityofpre-loaninvestigation,preventcreditrisks,accordingtotheCBRCcommercialbankcreditduediligenceguidelines,commercialbankcreditsmallbusinessduediligenceguidelines(trial)andotherregulatoryrequirementsandtheactualsituationoftheBank,thesemeasuresareformulated.Secondpersonmentionedinthesemeasuresreferstoinaccordancewiththerulesofcreditinvestigations,surveysandanalysisofthecreditbusinesspeople.ArticlecreditmentionedinthesemeasuresreferstotableprovidedtocustomersbothinsideandoutsideoftheBank'screditbusiness,includingforeigncurrencyloans,tradefinance,bankacceptances,commercialbilldiscounting,guarantees,factoring,credit,loancommitment,guaranteeandothercreditoperations,excludingclientcreditbusiness.Priortothechengdaiinvestigationintothefourtharticlethisreferstocreditbeforethereview,investigatorsbyobtaining,verification,analysisandsecurityaspectsofthesituation,evaluationandrevealsthepossiblecreditrisksandtoproposepreventivemeasures.Articlefifthduediligenceinthesemeasuresreferstothepersoninthepre-loaninvestigationproceduresfulfillingthemostbasicduediligencerequirements.Articlesixthofthemselves,pre-loaninvestigatorsrelativesorotherinterestedpersontoapplyforthecreditbusiness,oneshouldapplyforthewithdrawal.ChapterIIduediligenceduediligenceworkisthebasicrequirementoftheseventharticle:followtheprinciplesoftrue,complete,valid,anddiligenceduediligenceincarryingoutinvestigationduties.Investigatorsshouldbebasedonthecharacteristicsofdifferentvarietiesofcreditbusiness,credit-13-\n解：（1）甲单位267合计4258412628400以下400~600600~800800~10001000以上人数月工资（元）3005007009001100—1,20012,50058,800113,40030,800216,700-512-312-11288288—1,048,5762,433,6001,053,696975,7442,322,4327,834,048（2）乙单位238合计2187310342400以下400~600600~800800~10001000以上人数月工资（元）3005007009001100—6009,00051,10092,70046,200199,600-539-339-13961261—576,7382,044,2421,370,137408,8072,905,0987,305,022乙单位工资水平高乙单位平均工资更具有代表性最后让全班孩子伸出手书空一遍，既活跃了气氛，又加深了对重点知识的印象。可惜机会错过去了，以致解求出勤率时，出现了很不理想的效果ChapterIGeneralprovisionsarticleIobligationtoclearcreditpre-loaninvestigationrequirements,improvethequalityofpre-loaninvestigation,preventcreditrisks,accordingtotheCBRCcommercialbankcreditduediligenceguidelines,commercialbankcreditsmallbusinessduediligenceguidelines(trial)andotherregulatoryrequirementsandtheactualsituationoftheBank,thesemeasuresareformulated.Secondpersonmentionedinthesemeasuresreferstoinaccordancewiththerulesofcreditinvestigations,surveysandanalysisofthecreditbusinesspeople.ArticlecreditmentionedinthesemeasuresreferstotableprovidedtocustomersbothinsideandoutsideoftheBank'screditbusiness,includingforeigncurrencyloans,tradefinance,bankacceptances,commercialbilldiscounting,guarantees,factoring,credit,loancommitment,guaranteeandothercreditoperations,excludingclientcreditbusiness.Priortothechengdaiinvestigationintothefourtharticlethisreferstocreditbeforethereview,investigatorsbyobtaining,verification,analysisandsecurityaspectsofthesituation,evaluationandrevealsthepossiblecreditrisksandtoproposepreventivemeasures.Articlefifthduediligenceinthesemeasuresreferstothepersoninthepre-loaninvestigationproceduresfulfillingthemostbasicduediligencerequirements.Articlesixthofthemselves,pre-loaninvestigatorsrelativesorotherinterestedpersontoapplyforthecreditbusiness,oneshouldapplyforthewithdrawal.ChapterIIduediligenceduediligenceworkisthebasicrequirementoftheseventharticle:followtheprinciplesoftrue,complete,valid,anddiligenceduediligenceincarryingoutinvestigationduties.Investigatorsshouldbebasedonthecharacteristicsofdifferentvarietiesofcreditbusiness,credit-13-\n第三次作业一、单项选择题1、具有可加性的动态数列是（B）。A、时点数列B、时期数列C、平均指标动态数列D、相对指标动态数列2、序时平均计算中，“首末折半法”运用于（B）。A、时期数列的资料B、间隔相等的时点数列资料C、间隔不等的时点数列资料D、由两个时点数列构成的相对指标动态数列资料3、平均增长量等于（B）。A、动态数列最末水平与最初水平之差除以数列发展水平的项数。B、定基增长量除以环比增长量的个数。C、时间数列最初水平和最末水平的简单算术平均。D、动态数列发展水平之和与基期水平之比，通过“查对表”来确定。4、增长量同作为比较基准的数列水平之比是（B）。A、发展速度B、增长速度C、总速度D、平均增长量5、某企业第一、第二季度和下半年的原材料平均库存额分别为10万、15万、20万。则全年的平均库存额为（B）。A、15万B、16.25万C、11.25万D、13.85万6、某现象指标发展变化的速度平均来说是增长的，该指标的增长量是（D）。A、年年增加B、年年减少C、年年保持同样的增长量D、无法做结论7、我国经济发展的战略目标是在本世纪头二十年国内生产总值翻两番，这就是说国内生产总值20年增加（C）。A、1倍B、2倍C、3倍D、4倍8、说明现象在较长时期内发展的总速度的指标是（D）。A、环比发展速度B、平均发展速度C、定基发展速度D、定基增长速度9、某企业第一、第二季度和下半年的原材料平均库存额分别为10万、15万和20万。则全年的平均库存额为（B）。A、15万B、16.25万C、11.25万D、13.85万10、平均发展速度是（B）。A、发展速度的算术平均数B、各个环比发展速度的几何平均数C、各个环比发展速度的算术平均数D、各个环比发展速度的调和平均数11、单位成本报告期比基期下降了8%，产量增加了8%，在这种条件下，生产总成本（B）。A、增加了B、减少了C、没有变化D、难以确定12、反映个别事物动态变化的相对指标叫做（D）。A、总指数B、综合指数C、定基指数D、个体指数13、某商店销售增长5%，销售价格增长2%，则销售额增长（C）。A、7%B、10%C、7.1%D、2.9%14、假定某工厂“十一五”期间2010年比2005年产量增长40%，那么2005—2010年期间的年平均发展速度为（B）。最后让全班孩子伸出手书空一遍，既活跃了气氛，又加深了对重点知识的印象。可惜机会错过去了，以致解求出勤率时，出现了很不理想的效果ChapterIGeneralprovisionsarticleIobligationtoclearcreditpre-loaninvestigationrequirements,improvethequalityofpre-loaninvestigation,preventcreditrisks,accordingtotheCBRCcommercialbankcreditduediligenceguidelines,commercialbankcreditsmallbusinessduediligenceguidelines(trial)andotherregulatoryrequirementsandtheactualsituationoftheBank,thesemeasuresareformulated.Secondpersonmentionedinthesemeasuresreferstoinaccordancewiththerulesofcreditinvestigations,surveysandanalysisofthecreditbusinesspeople.ArticlecreditmentionedinthesemeasuresreferstotableprovidedtocustomersbothinsideandoutsideoftheBank'screditbusiness,includingforeigncurrencyloans,tradefinance,bankacceptances,commercialbilldiscounting,guarantees,factoring,credit,loancommitment,guaranteeandothercreditoperations,excludingclientcreditbusiness.Priortothechengdaiinvestigationintothefourtharticlethisreferstocreditbeforethereview,investigatorsbyobtaining,verification,analysisandsecurityaspectsofthesituation,evaluationandrevealsthepossiblecreditrisksandtoproposepreventivemeasures.Articlefifthduediligenceinthesemeasuresreferstothepersoninthepre-loaninvestigationproceduresfulfillingthemostbasicduediligencerequirements.Articlesixthofthemselves,pre-loaninvestigatorsrelativesorotherinterestedpersontoapplyforthecreditbusiness,oneshouldapplyforthewithdrawal.ChapterIIduediligenceduediligenceworkisthebasicrequirementoftheseventharticle:followtheprinciplesoftrue,complete,valid,anddiligenceduediligenceincarryingoutinvestigationduties.Investigatorsshouldbebasedonthecharacteristicsofdifferentvarietiesofcreditbusiness,credit-13-\nA、B、C、D、15、计算平均发展速度一般用（C）。A、算术平均法B、调和平均法C、几何平均法D、代数方程法16、某企业职工工资水平今年比去年提高了5%，职工人数增加了2%，则该企业工资总额增长了（B）。A、10%B、7.1%C、7%D、11%17、按销售量个体指数和基期销售额计算的销售量总指数是（C）。A、综合指数B、平均指标指数C、加权算术平均数指数D、加权调和平均数指数18、某市居民以相同的人民币在物价上涨后少购商品15%，则物价指数（D）。A、17.6%B、85%C、115%D、117.6%19、已知某商场的商品销售量指数为105%，由于销售量增长而增加的销售额为10万元；又知道销售价格指数为110%，则由于价格上涨而增加的销售额应为（A）。A、21万元B、20万元C、30万元D、18万元20、“定基发展速度等于环比发展速度的连乘积”的条件是所有指数（D）。A、都具有可变权数B、都具有相同的不变权数C、都具有相同的可变权数D、任何条件二、简答题1、时期数列和时点数列各自有哪些特点？答：不同时间的可加性指标数值大小与时间长短的关系数值登记时间数列：可加性直接关系连续时点数列：不可加性无直接关系间断2、发展速度和增长速度、平均发展速度和平均增长速度的关系如何？答：增长速度=发展速度－1平均增长速度=平均发展速度－13、统计指数的含义及作用。答：（1）含义：广义上讲，任何两个数值对比而形成的相对数都可以称为指数。狭义的指数是一种特殊的相对数，它反映的是由数量上不能直接加总的多个个体（或多个项目）组成的复杂现象总体的综合变动程度。（2）作用：第一，反映复杂社会经济现象总体的综合变动程度；第二，分析社会经济现象总变动中各个因素的影响大小和程度；第三，利用指数进行有关的推算，或把相互联系的指数数列进行比较，可以观察现象之间的变动关系和趋势。三、计算题1、某单位在册人数：1月1日218人，1月11日调出18人，1月16调入6人，1月25日又调入9人，2月5日调出4人，试求：1月份平均在册人数。解：时间人数a天数faf1.1~1.111.12~1.151.16~1.241.25~1.31218200206215105972180100018541505合计316539最后让全班孩子伸出手书空一遍，既活跃了气氛，又加深了对重点知识的印象。可惜机会错过去了，以致解求出勤率时，出现了很不理想的效果ChapterIGeneralprovisionsarticleIobligationtoclearcreditpre-loaninvestigationrequirements,improvethequalityofpre-loaninvestigation,preventcreditrisks,accordingtotheCBRCcommercialbankcreditduediligenceguidelines,commercialbankcreditsmallbusinessduediligenceguidelines(trial)andotherregulatoryrequirementsandtheactualsituationoftheBank,thesemeasuresareformulated.Secondpersonmentionedinthesemeasuresreferstoinaccordancewiththerulesofcreditinvestigations,surveysandanalysisofthecreditbusinesspeople.ArticlecreditmentionedinthesemeasuresreferstotableprovidedtocustomersbothinsideandoutsideoftheBank'screditbusiness,includingforeigncurrencyloans,tradefinance,bankacceptances,commercialbilldiscounting,guarantees,factoring,credit,loancommitment,guaranteeandothercreditoperations,excludingclientcreditbusiness.Priortothechengdaiinvestigationintothefourtharticlethisreferstocreditbeforethereview,investigatorsbyobtaining,verification,analysisandsecurityaspectsofthesituation,evaluationandrevealsthepossiblecreditrisksandtoproposepreventivemeasures.Articlefifthduediligenceinthesemeasuresreferstothepersoninthepre-loaninvestigationproceduresfulfillingthemostbasicduediligencerequirements.Articlesixthofthemselves,pre-loaninvestigatorsrelativesorotherinterestedpersontoapplyforthecreditbusiness,oneshouldapplyforthewithdrawal.ChapterIIduediligenceduediligenceworkisthebasicrequirementoftheseventharticle:followtheprinciplesoftrue,complete,valid,anddiligenceduediligenceincarryingoutinvestigationduties.Investigatorsshouldbebasedonthecharacteristicsofdifferentvarietiesofcreditbusiness,credit-13-\n（人）2、某企业职工人数资料如下：月份1234567月初职工人数（人）月平均职工人数（人）500505510512514520526533540549558564570577试求：（1）计算填写表中的空格；（2）计算第一季度、第二季度和上半年的平均职工人数。解：第一季度：（人）第二季度：（人）上半年：（人）3、某企业库存额资料如下：月份上年12123456812月末库存额（万元）100110120150130120140160120试求：（1）上半年平均库存额；（2）下半年平均库存额。解：（1）（万元）（2）（万元）4、某家庭近几年投资收益情况如下：年份200520062007200820092010年收益（万元）年末投资额（万元）5-15151.5107.520-1540试求：（1）各年投资收益率；（2）近五年平均年投资收益率。解：（1）各年投资收益率：2006年：2007年：2008年：2009年：最后让全班孩子伸出手书空一遍，既活跃了气氛，又加深了对重点知识的印象。可惜机会错过去了，以致解求出勤率时，出现了很不理想的效果ChapterIGeneralprovisionsarticleIobligationtoclearcreditpre-loaninvestigationrequirements,improvethequalityofpre-loaninvestigation,preventcreditrisks,accordingtotheCBRCcommercialbankcreditduediligenceguidelines,commercialbankcreditsmallbusinessduediligenceguidelines(trial)andotherregulatoryrequirementsandtheactualsituationoftheBank,thesemeasuresareformulated.Secondpersonmentionedinthesemeasuresreferstoinaccordancewiththerulesofcreditinvestigations,surveysandanalysisofthecreditbusinesspeople.ArticlecreditmentionedinthesemeasuresreferstotableprovidedtocustomersbothinsideandoutsideoftheBank'screditbusiness,includingforeigncurrencyloans,tradefinance,bankacceptances,commercialbilldiscounting,guarantees,factoring,credit,loancommitment,guaranteeandothercreditoperations,excludingclientcreditbusiness.Priortothechengdaiinvestigationintothefourtharticlethisreferstocreditbeforethereview,investigatorsbyobtaining,verification,analysisandsecurityaspectsofthesituation,evaluationandrevealsthepossiblecreditrisksandtoproposepreventivemeasures.Articlefifthduediligenceinthesemeasuresreferstothepersoninthepre-loaninvestigationproceduresfulfillingthemostbasicduediligencerequirements.Articlesixthofthemselves,pre-loaninvestigatorsrelativesorotherinterestedpersontoapplyforthecreditbusiness,oneshouldapplyforthewithdrawal.ChapterIIduediligenceduediligenceworkisthebasicrequirementoftheseventharticle:followtheprinciplesoftrue,complete,valid,anddiligenceduediligenceincarryingoutinvestigationduties.Investigatorsshouldbebasedonthecharacteristicsofdifferentvarietiesofcreditbusiness,credit-13-\n2010年：（2）5、某企业生产工人数资料如下：年份200520062007200820092010年末固定工人数（人）年末合同工人数（人）802070306090501504021030270合计100100150200250300试求：2005~2010年固定工占全部工人数的平均比重。解：6、某家庭近五年的年收入资料如下：年份200520062007200820092010年收入（万元）3.03.64.55.46.758.1增长量（万元）逐期—0.60.90.91.351.35累计—0.61.52.43.755.1发展速度（%）环比—120125120125120定基100120150180225270增长速度（%）环比—2025202520定基—205080125170要求：（1）填写表中的空格；（2）计算平均增长量；（3）计算平均发展速度；（4）计算平均增长速度：（5）该家庭年收入若以这个平均增长速度增长问5年后和10年后的家庭年收入是多少？解：（2）年平均增长量=（万元）（3）平均发展速度：121.98%（4）平均增长速度=平均发展速度-1=121.98%-1=21.98%最后让全班孩子伸出手书空一遍，既活跃了气氛，又加深了对重点知识的印象。可惜机会错过去了，以致解求出勤率时，出现了很不理想的效果ChapterIGeneralprovisionsarticleIobligationtoclearcreditpre-loaninvestigationrequirements,improvethequalityofpre-loaninvestigation,preventcreditrisks,accordingtotheCBRCcommercialbankcreditduediligenceguidelines,commercialbankcreditsmallbusinessduediligenceguidelines(trial)andotherregulatoryrequirementsandtheactualsituationoftheBank,thesemeasuresareformulated.Secondpersonmentionedinthesemeasuresreferstoinaccordancewiththerulesofcreditinvestigations,surveysandanalysisofthecreditbusinesspeople.ArticlecreditmentionedinthesemeasuresreferstotableprovidedtocustomersbothinsideandoutsideoftheBank'screditbusiness,includingforeigncurrencyloans,tradefinance,bankacceptances,commercialbilldiscounting,guarantees,factoring,credit,loancommitment,guaranteeandothercreditoperations,excludingclientcreditbusiness.Priortothechengdaiinvestigationintothefourtharticlethisreferstocreditbeforethereview,investigatorsbyobtaining,verification,analysisandsecurityaspectsofthesituation,evaluationandrevealsthepossiblecreditrisksandtoproposepreventivemeasures.Articlefifthduediligenceinthesemeasuresreferstothepersoninthepre-loaninvestigationproceduresfulfillingthemostbasicduediligencerequirements.Articlesixthofthemselves,pre-loaninvestigatorsrelativesorotherinterestedpersontoapplyforthecreditbusiness,oneshouldapplyforthewithdrawal.ChapterIIduediligenceduediligenceworkisthebasicrequirementoftheseventharticle:followtheprinciplesoftrue,complete,valid,anddiligenceduediligenceincarryingoutinvestigationduties.Investigatorsshouldbebasedonthecharacteristicsofdifferentvarietiesofcreditbusiness,credit-13-\n（5）5年后家庭年收入：（万元）10年后家庭年收入：（万元）7、某商店的销售资料如下：商品计量单位销售量价格（元）销售额（元）基期基期基期报告期甲乙丙台件吨4005,0002006006,0001802504050020036600合计-----试求：（1）销售量个体指数；（2）价格个体指数；（3）销售量总指数及由于销售量变动对销售额的影响值；（4）价格总指数及由于价格变动对销售额的影响值。8、某商店销售资料如下：商品销售额（万元）销售量个体指数（%）基期报告期甲乙丙10020010012021610815012090合计400444—试求：（1）销售量总指数及由于销售量变动对销售额的影响值；（2）价格总指数及由于价格变动对销售额的影响值。9、某企业成本资料如下：产品总成本（万元）单位成本变动率（%）基期报告期甲乙丙40907050100100+5+10-15合计200250—试求：（1）单位成本总指数及由于单位成本变动对总成本的影响值；（2）产量总指数及由于产量变动对总成本的影响值。10、某企业2010年比2009年销售额增长20%，价格下降8%。问销售量变动百分比？11、某企业报告期比基期：工资水平提高20%，职工人数减少20%。问工资总额变动相对数？最后让全班孩子伸出手书空一遍，既活跃了气氛，又加深了对重点知识的印象。可惜机会错过去了，以致解求出勤率时，出现了很不理想的效果ChapterIGeneralprovisionsarticleIobligationtoclearcreditpre-loaninvestigationrequirements,improvethequalityofpre-loaninvestigation,preventcreditrisks,accordingtotheCBRCcommercialbankcreditduediligenceguidelines,commercialbankcreditsmallbusinessduediligenceguidelines(trial)andotherregulatoryrequirementsandtheactualsituationoftheBank,thesemeasuresareformulated.Secondpersonmentionedinthesemeasuresreferstoinaccordancewiththerulesofcreditinvestigations,surveysandanalysisofthecreditbusinesspeople.ArticlecreditmentionedinthesemeasuresreferstotableprovidedtocustomersbothinsideandoutsideoftheBank'screditbusiness,includingforeigncurrencyloans,tradefinance,bankacceptances,commercialbilldiscounting,guarantees,factoring,credit,loancommitment,guaranteeandothercreditoperations,excludingclientcreditbusiness.Priortothechengdaiinvestigationintothefourtharticlethisreferstocreditbeforethereview,investigatorsbyobtaining,verification,analysisandsecurityaspectsofthesituation,evaluationandrevealsthepossiblecreditrisksandtoproposepreventivemeasures.Articlefifthduediligenceinthesemeasuresreferstothepersoninthepre-loaninvestigationproceduresfulfillingthemostbasicduediligencerequirements.Articlesixthofthemselves,pre-loaninvestigatorsrelativesorotherinterestedpersontoapplyforthecreditbusiness,oneshouldapplyforthewithdrawal.ChapterIIduediligenceduediligenceworkisthebasicrequirementoftheseventharticle:followtheprinciplesoftrue,complete,valid,anddiligenceduediligenceincarryingoutinvestigationduties.Investigatorsshouldbebasedonthecharacteristicsofdifferentvarietiesofcreditbusiness,credit-13-\n最后让全班孩子伸出手书空一遍，既活跃了气氛，又加深了对重点知识的印象。可惜机会错过去了，以致解求出勤率时，出现了很不理想的效果ChapterIGeneralprovisionsarticleIobligationtoclearcreditpre-loaninvestigationrequirements,improvethequalityofpre-loaninvestigation,preventcreditrisks,accordingtotheCBRCcommercialbankcreditduediligenceguidelines,commercialbankcreditsmallbusinessduediligenceguidelines(trial)andotherregulatoryrequirementsandtheactualsituationoftheBank,thesemeasuresareformulated.Secondpersonmentionedinthesemeasuresreferstoinaccordancewiththerulesofcreditinvestigations,surveysandanalysisofthecreditbusinesspeople.ArticlecreditmentionedinthesemeasuresreferstotableprovidedtocustomersbothinsideandoutsideoftheBank'screditbusiness,includingforeigncurrencyloans,tradefinance,bankacceptances,commercialbilldiscounting,guarantees,factoring,credit,loancommitment,guaranteeandothercreditoperations,excludingclientcreditbusiness.Priortothechengdaiinvestigationintothefourtharticlethisreferstocreditbeforethereview,investigatorsbyobtaining,verification,analysisandsecurityaspectsofthesituation,evaluationandrevealsthepossiblecreditrisksandtoproposepreventivemeasures.Articlefifthduediligenceinthesemeasuresreferstothepersoninthepre-loaninvestigationproceduresfulfillingthemostbasicduediligencerequirements.Articlesixthofthemselves,pre-loaninvestigatorsrelativesorotherinterestedpersontoapplyforthecreditbusiness,oneshouldapplyforthewithdrawal.ChapterIIduediligenceduediligenceworkisthebasicrequirementoftheseventharticle:followtheprinciplesoftrue,complete,valid,anddiligenceduediligenceincarryingoutinvestigationduties.Investigatorsshouldbebasedonthecharacteristicsofdifferentvarietiesofcreditbusiness,credit-13-