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DOWNLOADs2THEs2Tests2Banks2fors2Elementarys2Statisticss214ths2Editions2Triola
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apters21s2Test
MULTIPLEs2 CHOICE.s 2 Chooses2 thes2 ones2 alternatives2 thats2 bests2completess2 thes2 statements2 ors2answerss2 thes2 question.
1) Determines2whethers2thes2givens2descriptions2correspondss2tos2ans2experiments2ors2ans2observationals2study.s2A
s2stocks2analysts2selectss2as2stocks2froms2as2groups2ofs2twentys2fors2investments2bys2choosings2thes2stocks2withs2
thes2greatests2earningss2pers2shares2reporteds2fors2thes2lasts2quarter.
A) Observationals 2 study B)s2Experiment
Objective:s 2 Exams2 A
2) Identifys2whichs2types2ofs2samplings2iss2used.s2Thes2names2ofs2eachs2contestants2iss2writtens2ons2as2separates2
card,s2thes2cardss2ares2placeds2ins2as2bag,s2ands2threes 2 namess2ares2pickeds 2 froms2thes2bag.
A) Stratified
B) Simples2Random
C) Convenience
D) Cluster
E) Systematic
Objective:s 2 Exams2 A
3) Identifys2whichs2types2ofs2samplings2iss2used.s2Tos2avoids2workings2late,s2as2qualitys2controls2analysts2simplys
2inspectss2thes2firsts2100s2itemss2produceds2ins2as2day.
A) Stratified
B) Simples2Random
C) Convenience
D) Systematic
E) Cluster
Objective:s 2 Exams2 A
4) Ans2educations2experts2iss2researchings2teachings2methodss2ands2wishess2tos2interviews2teacherss2froms2as2parti
culars2schools2district.s2Shes2randomlys2selectss2tens2schoolss2froms2thes2districts2ands2interviewss2alls2ofs2thes2t
eacherss2ats2thes2selecteds2schools.s2Doess 2 thiss 2 samplings 2 plans 2 results 2 ins 2 as 2 randoms 2 sample?s 2 Simples
2 randoms 2 sample?s 2 Explain.
A) Yes;s2yes.s2Thes2samples2iss2randoms2becauses2alls2teacherss2haves2thes2sames2chances2ofs2beings2select
ed.s2Its2iss2as2simples2randoms 2 samples 2 becauses 2 alls 2 sampless 2 haves 2 thes 2 sames 2 chances 2 ofs 2 be
ings 2 selected.
B) Yes;s2no.s2Thes2samples2iss2randoms2becauses2alls2teacherss2haves2thes2sames2chances2ofs2beings2selected.s2I
ts2iss2nots2as2simples2randoms2samples2becauses2somes2sampless2ares2nots2possible,s2suchs2ass2as2samples2t
hats2includess2teacherss2froms2schoolss2thats2weres2nots2selected.
C) No;s 2 yes.s 2 Thes 2 samples 2 iss 2 nots 2 randoms 2 becauses 2 teacherss 2 ins 2 smalls 2 schoolss 2 ares 2 mores 2 likel
ys 2 tos 2 bes 2 selecteds 2 thans2teacherss2ins2largers2schools.s2Its2iss2as2simples2randoms2samples2becauses2al
ls2sampless2haves2thes2sames2chances2ofs2beings2selected.
D) No;s 2 no.s 2 Thes 2 samples 2 iss 2 nots 2 randoms 2 becauses 2 teacherss 2 ins 2 smalls 2 schoolss 2 ares 2 mores 2 likelys
2 tos 2 bes 2 selecteds 2 thans2teacherss2ins2largers2schools.s2Its2iss2nots2as2simples2randoms2samples2becauses2s
omes2sampless2ares2nots2possible,s2suchs2ass2as2samples 2 thats2includess 2 teacherss2froms 2 schoolss 2 thats 2
weres 2 nots 2 selected.
Objective:s 2 Exams2 A
1
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5) Identifys2thes2types2ofs2observationals2studys2used.s2As2towns2obtainss2currents2employments2datas2bys2polli
ngs210,000s2ofs2itss2citizenss2thiss2month.
2
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A) Retrospective B)s2 Cross-sectional C)s2 Prospective D)s2 Nones2ofs2these
Objective:s 2 Exams2 A
3
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