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QMB 3200 Test 2 UCF (Latest 2024/ 2025 Update) Questions & Verified Answers| 100% Correct| Grade A
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QMB 3200 Test 2 UCF (Latest 2024/ 2025 Update) Questions & Verified Answers| 100% Correct| Grade A Q: In the hypothesis testing procedure, α is a. the confidence level b. 1 − level of significance c. the level of significance d. the critical value Answer: c. the level of signifi...

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  • October 25, 2024
  • 19
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • qmb 3200 test 2 ucf latest update questions ve
  • in hypothesis testing if the null hypothesis has
  • in the hypothesis testing procedure is
  • qmb 3200 final examqmb 3200 test
  • qmb 3200 final examqmb 3200 te

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QMBl3200lTestl2lUCFl(LatestlUpdate)l
Questionsl&lVerifiedlAnswers|l100%l
Correct|lGradelA

Q:lInlthelhypothesisltestinglprocedure,lαlis
a.lthelconfidencellevel
b.l1l−llevelloflsignificance
c.lthellevelloflsignificance
d.lthelcriticallvalue


Answer:
c.lthellevelloflsignificance




Q:lInlthelpast,l75%lofltheltouristslwholvisitedlChattanoogalwentltolseelRocklCity.lThelmanag
ementloflRocklCitylrecentlylundertooklanlextensivelpromotionallcampaign.lTheylarelinterestedl
inldetermininglwhetherlthelpromotionallcampaignlactuallylincreasedlthelproportionlofltouristslv
isitinglRocklCity.lThelcorrectlsetloflhypotheseslis

a.lH0:lpl<l0.75lHa:lpl≥l0.75
b.lH0:lpl>l0.75lHa:lpl≤l0.75
c.lH0:lpl≥l0.75lHa:lpl<l0.75
d.lH0:lpl≤l0.75lHa:lpl>l0.75


Answer:
d.lH0:lpl≤l0.75lHa:lpl>l0.75




Q:lAlp-valuelislthe
a.lprobability,lwhenlthelnulllhypothesislisltrue,loflobtaininglalsamplelresultlthatlislatlleastlaslunl
ikelylaslwhatlislobserved
b.lvaluelofltheltestlstatistic

,c.lprobabilityloflalTypelIIlerror
d.lprobabilitylcorrespondingltolthelcriticallvalue(s)linlalhypothesisltest


Answer:
a.lprobability,lwhenlthelnulllhypothesislisltrue,loflobtaininglalsamplelresultlthatlislatlleastlaslunl
ikelylaslwhatlislobserved




Q:lAslalgenerallguideline,lthelresearchlhypothesislshouldlbelstatedlaslthe
a.lalternativelhypothesis
b.lhypothesislthelresearcherlwantsltoldisprove
c.ltentativelassumption
d.lnulllhypothesis


Answer:
a.lalternativelhypothesis




Q:lAnlexampleloflstatisticallinferencelis
a.ldescriptivelstatistics
b.lhypothesisltesting
c.lcalculatinglthelsizeloflalsample
d.lalpopulationlmean


Answer:
b.lhypothesisltesting




Q:lAlrandomlsamplelofl16lstudentslselectedlfromlthelstudentlbodyloflallargeluniversitylhadla
nlaveragelagelofl25lyears.lWelwantltoldetermineliflthelaveragelageloflalllthelstudentslatltheluni
versitylislsignificantlyldifferentlfroml24.lAssumeltheldistributionloflthelpopulationloflageslislno
rmallwithlalstandardldeviationlofl2lyears.lTheltestlstatisticlis

a.l1.96

, b.l0.05
c.l2.00
d.l1.645


Answer:
c.l2.00




Q:lIflalhypothesisltestlleadsltolthelrejectionloflthelnulllhypothesis,la
a.lTypelIIlerrorlmustlhavelbeenlcommitted
b.lTypelIlerrorlmaylhavelbeenlcommitted
c.lTypelIlerrorlmustlhavelbeenlcommitted
d.lTypelIIlerrorlmaylhavelbeenlcommitted


Answer:
b.lTypelIlerrorlmaylhavelbeenlcommitted




Q:lnl=l49lH0:lμl=l50
=l54.8lHa:lμl≠l50
σl=l28l

Ifltheltestlisldonelatlal5%llevelloflsignificance,lthelnulllhypothesislshould

a.lnotlbelrejected
b.lbelrejected
c.lNotlenoughlinformationlgivenltolanswerlthislquestion.
d.lNoneloflthelotherlanswerslarelcorrect.


Answer:
a.lnotlbelrejected




Q:lInlhypothesisltestingliflthelnulllhypothesislhaslbeenlrejectedlwhenlthelalternativelhypothesi
slhaslbeenltrue,

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