统计学概论大作业

《统计学概论大作业》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、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:bd

2、1.33a.Theexperimentalunitsareeachengagedcouplewhoparticipatesthestudy.b.Thevariablesofinterestareengagementringprice(dollar)andtheappreciationoftherecipient.Engagementringprice(dollar)isquantitativedataandtheappreciationoftherecipientisqualitativedata.3xx2014xxxx532统计二班c.Thepopulationofinterestisall

3、thecouplewhichparticipateinthestudy.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 1

4、6 48 9 12 29 43 11 13xx2014xxxx532统计二班*1.363xx2014xxxx532统计二班a.Perminute,4000canswillbeproduced.Every15minutes,fivefilledcansarepulledofftheline.Theamountofcarbondioxideineachofthesefivecansismeasuredtodeterminedwhethertheamountarewithintheprescribedlimits.b.Theamountofcarbondioxideineachcanandallth

5、eothercans.c.Thesampleisthefivecanspulledoffevery15minutes.d.Theinferenceofinterestistheamountofcarbondioxideinallthecansandwhetherit’swithinThelimits.e.Thetechnicianwillbeexamingaprocess.Becausethepopulationistoobigtobemeasuredandasampleandasuitableprocessareenoughtoestimatethepopulation.3