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1、xx2014xxxx532統(tǒng)計二班1.14Rangetheunitsofthepopulationinorder.Nameeachoneby1、2、……20,000.Thenusearandomnumbergeneratortogetasimple:3xx2014xxxx532統(tǒng)計二班182942
79574
63605
15497133254
89923
185069
10011
171669
28393xx2014xxxx532統(tǒng)計二班Thesearewhatweneed.1.18quantitativedataincludes:acefqualitativedataincludes:bd
2、1.33a.Theexperimentalunitsareeachengagedcouplewhoparticipatesthestudy.b.Thevariablesofinterestareengagementringprice(dollar)andtheappreciationoftherecipient.Engagementringprice(dollar)isquantitativedataandtheappreciationoftherecipientisqualitativedata.3xx2014xxxx532統(tǒng)計二班c.Thepopulationofinterestisall
3、thecouplewhichparticipateinthestudy.d.No,Idon’t.Becausethosewhopaidreallyhighorlowpricefortheringwereexcludedandthepopulationistoosmall.e.Assignthesetoplaytheroleofgift-giverandtheotherstoplaythegift-receiver.Thesearethegift-giver:3xx2014xxxx532統(tǒng)計二班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統(tǒng)計二班*1.363xx2014xxxx532統(tǒng)計二班a.Perminute,4000canswillbeproduced.Every15minutes,fivefilledcansarepulledofftheline.Theamountofcarbondioxideineachofthesefivecansismeasuredtodeterminedwhethertheamountarewithintheprescribedlimits.b.Theamountofcarbondioxideineachcanandallth
5、eothercans.c.Thesampleisthefivecanspulledoffevery15minutes.d.Theinferenceofinterestistheamountofcarbondioxideinallthecansandwhetherit’swithinThelimits.e.Thetechnicianwillbeexamingaprocess.Becausethepopulationistoobigtobemeasuredandasampleandasuitableprocessareenoughtoestimatethepopulation.3
