统计学概论大作业

统计学概论大作业

xx2014xxxx532统计二班1.14Rangetheunitsofthepopulationinorder.Nameeachoneby1、2、……20,000.Thenusearandomnumbergeneratortogetasimple:3xx2014xxxx532统计二班182942 79574 63605 15497133254 89923 185069 10011 171669 28393xx2014xxxx532统计二班Thesearewhatweneed.1.18quantitativedataincludes:acefqualitativedataincludes:bd1.33a.Theexperimentalunitsareeachengagedcouplewhoparticipatesthestudy.b.Thevariablesofinterestareengagementringprice(dollar)andtheappreciationoftherecipient.Engagementringprice(dollar)isquantitativedataandtheappreciationoftherecipientisqualitativedata.3\nxx2014xxxx532统计二班c.Thepopulationofinterestisallthecouplewhichparticipateinthestudy.d.No,Idon’t.Becausethosewhopaidreallyhighorlowpricefortheringwereexcludedandthepopulationistoosmall.e.Assignthesetoplaytheroleofgift-giverandtheotherstoplaythegift-receiver.Thesearethegift-giver:3xx2014xxxx532统计二班35 32 17 28 24 37 50 33 13 47 15 2 34 29 12 12 33 16 48 9 12 29 43 11 13\nxx2014xxxx532统计二班*1.363xx2014xxxx532统计二班a.Perminute,4000canswillbeproduced.Every15minutes,fivefilledcansarepulledofftheline.Theamountofcarbondioxideineachofthesefivecansismeasuredtodeterminedwhethertheamountarewithintheprescribedlimits.b.Theamountofcarbondioxideineachcanandalltheothercans.c.Thesampleisthefivecanspulledoffevery15minutes.d.Theinferenceofinterestistheamountofcarbondioxideinallthecansandwhetherit’swithinThelimits.e.Thetechnicianwillbeexamingaprocess.Becausethepopulationistoobigtobemeasuredandasampleandasuitableprocessareenoughtoestimatethepopulation.3