TEST BANK p p
Introduction to Statistical Investigations,
p p p p
2nd Edition Nathan Tintle; Beth L. Chance C
p p p p p p p
hapters 1 - 11, Complete
p p p p
FORpINSTRUCTORpUSEpONLY
,TABLE OF CONTENTS
p p p
Chapter 1 – Significance: How Strong is the Evidence
p p p p p p p p p
Chapter 2 – Generalization: How Broadly Do the Results Apply?
p p p p p p p p p p
Chapter 3 – Estimation: How Large is the Effect?
p p p p p p p p p
Chapter 4 – Causation: Can We Say What Caused the Effect?
p p p p p p p p p p p
Chapter 5 – Comparing Two Proportions
p p p p p p
Chapter 6 – Comparing Two Means
p p p p p p
Chapter 7 – Paired Data: One Quantitative Variable
p p p p p p p p
Chapter 8 – Comparing More Than Two Proportions
p p p p p p p p
Chapter 9 – Comparing More Than Two Means
p p p p p p p p
Chapter 10 – Two Quantitative Variables
p p p p p p
Chapter 11 – Modeling Randomness
p p p p
FORpINSTRUCTORpUSEpONLY
,Chapter 1 p
Note:pppTEp =p Textpentry TE-Np=pTextpentryp-
pNumericpMap =p Matching MSp =p Multiplepselect
MCp =p Multiplepchoice TFp=pTrue-
FalsepEp=pEasy,pMp=pMedium,pHp=pHard
CHAPTER 1 LEARNING OBJECTIVES
p p p
CLO1-1:pUsepthepchancepmodelptopdeterminepwhetherpanpobservedpstatisticpispunlikelyptopoccur.
CLO1-2:pCalculatepandpinterpretpapp-
value,pandpstatepthepstrengthpofpevidencepitpprovidespagainstpthepnullphypothesis.
CLO1-
3:pCalculatepapstandardizedpstatisticpforpapsinglepproportionpandpevaluatepthepstrengthpofpevide
ncepitpprovidespagainstpapnullphypothesis.
CLO1-
4:pDescribephowpthepdistancepofpthepobservedpstatisticpfrompthepparameterpvaluepspecifiedpbypthep
nullphypothesis,psamplepsize,pandpone-pvs.ptwo-
sidedptestspaffectpthepstrengthpofpevidencepagainstpthepnullphypothesis.
CLO1-5:pDescribephowptopcarrypoutpaptheory-based,pone-proportionpz-test.
Section 1.1: Introduction to Chance Models
p p p p p
LO1.1-1:pRecognizepthepdifferencepbetweenpparameterspandpstatistics.
LO1.1-2:pDescribephowptopusepcoinptossingptopsimulatepoutcomespfrompapchancepmodelpofpthepran-
dompchoicepbetweenptwopevents.
p
LO1.1-3:pUsepthepOnepProportionpappletptopcarrypoutpthepcoinptossingpsimulation.
LO1.1-
4:pIdentifypwhetherporpnotpstudypresultsparepstatisticallypsignificantpandpwhetherporpnotpthepchan
cepmodelpispapplausiblepexplanationpforpthepdata.
LO1.1-
5:pImplementpthep3Spstrategy:pfindpapstatistic,psimulatepresultspfrompapchancepmodel,pandpcomm
entponpstrengthpofpevidencepagainstpobservedpstudypresultsphappeningpbypchancepalone.
LO1.1-
6:pDifferentiatepbetweenpsayingpthepchancepmodelpispplausiblepandpthepchancepmodelpispthepcorrec
tpexplanationpforpthepobservedpdata.
FORpINSTRUCTORpUSEpONLY
, 1-2 TestpBankpforpIntroductionptopStatisticalpInvestigations,p2ndpEdition
Questionsp1pthroughp4:
DopredpuniformpwearersptendptopwinpmorepoftenpthanpthosepwearingpbluepuniformspinpTaekwond
opmatchespwherepcompetitorspareprandomlypassignedptopwearpeitherpapredporpbluepuniform?pInpap
samplepofp80pTaekwondopmatches,ptherepwerep45pmatchespwherepthepredpuniformpwearerpwon.
1. Whatpispthepparameterpofpinterestpforpthispstudy?
A. Theplong-runpproportionpofpTaekwondopmatchespinpwhichpthepredpuniformpwearerpwins
B. Thepproportionpofpmatchespinpwhichpthepredpuniformpwearerpwinspinpapsamplepofp80pTaek
wondopmatches
C. Whetherpthepredpuniformpwearerpwinspapmatch
D.p 0.50
Ans:pA;pLO:p1.1-1;pDifficulty:pEasy;pType:pMC
2. Whatpispthepstatisticpforpthispstudy?
A. Theplong-runpproportionpofpTaekwondopmatchespinpwhichpthepredpuniformpwearerpwins
B. Thepproportionpofpmatchespinpwhichpthepredpuniformpwearerpwinspinpapsamplepofp80pTaek
wondopmatches
C. Whetherpthepredpuniformpwearerpwinspapmatch
D.p 0.50
Ans:pB;pLO:p1.1-1;pDifficulty:pEasy;pType:pMC
3. Givenpbelowpispthepsimulatedpdistributionpofpthepnumberpofp―redpwins‖pthatpcouldphappenpbypchan
cepalonepinpapsamplepofp80pmatches.pBasedponpthispsimulation,pispourpobservedpresultpstatisticallyps
ignificant?
A. Yes,psincep45pisplargerpthanp40.
B. Yes,psincepthepheightpofpthepdotplotpabovep45pispsmallerpthanpthepheightpofpthepdotpl
otpabovep40.
C. No,psincep45pispapfairlyptypicalpoutcomepifpthepcolorpofpthepwinner‘spuniformpwaspdeter
minedpbypchancepalone.
FORpINSTRUCTORpUSEpONLY
Introduction to Statistical Investigations,
p p p p
2nd Edition Nathan Tintle; Beth L. Chance C
p p p p p p p
hapters 1 - 11, Complete
p p p p
FORpINSTRUCTORpUSEpONLY
,TABLE OF CONTENTS
p p p
Chapter 1 – Significance: How Strong is the Evidence
p p p p p p p p p
Chapter 2 – Generalization: How Broadly Do the Results Apply?
p p p p p p p p p p
Chapter 3 – Estimation: How Large is the Effect?
p p p p p p p p p
Chapter 4 – Causation: Can We Say What Caused the Effect?
p p p p p p p p p p p
Chapter 5 – Comparing Two Proportions
p p p p p p
Chapter 6 – Comparing Two Means
p p p p p p
Chapter 7 – Paired Data: One Quantitative Variable
p p p p p p p p
Chapter 8 – Comparing More Than Two Proportions
p p p p p p p p
Chapter 9 – Comparing More Than Two Means
p p p p p p p p
Chapter 10 – Two Quantitative Variables
p p p p p p
Chapter 11 – Modeling Randomness
p p p p
FORpINSTRUCTORpUSEpONLY
,Chapter 1 p
Note:pppTEp =p Textpentry TE-Np=pTextpentryp-
pNumericpMap =p Matching MSp =p Multiplepselect
MCp =p Multiplepchoice TFp=pTrue-
FalsepEp=pEasy,pMp=pMedium,pHp=pHard
CHAPTER 1 LEARNING OBJECTIVES
p p p
CLO1-1:pUsepthepchancepmodelptopdeterminepwhetherpanpobservedpstatisticpispunlikelyptopoccur.
CLO1-2:pCalculatepandpinterpretpapp-
value,pandpstatepthepstrengthpofpevidencepitpprovidespagainstpthepnullphypothesis.
CLO1-
3:pCalculatepapstandardizedpstatisticpforpapsinglepproportionpandpevaluatepthepstrengthpofpevide
ncepitpprovidespagainstpapnullphypothesis.
CLO1-
4:pDescribephowpthepdistancepofpthepobservedpstatisticpfrompthepparameterpvaluepspecifiedpbypthep
nullphypothesis,psamplepsize,pandpone-pvs.ptwo-
sidedptestspaffectpthepstrengthpofpevidencepagainstpthepnullphypothesis.
CLO1-5:pDescribephowptopcarrypoutpaptheory-based,pone-proportionpz-test.
Section 1.1: Introduction to Chance Models
p p p p p
LO1.1-1:pRecognizepthepdifferencepbetweenpparameterspandpstatistics.
LO1.1-2:pDescribephowptopusepcoinptossingptopsimulatepoutcomespfrompapchancepmodelpofpthepran-
dompchoicepbetweenptwopevents.
p
LO1.1-3:pUsepthepOnepProportionpappletptopcarrypoutpthepcoinptossingpsimulation.
LO1.1-
4:pIdentifypwhetherporpnotpstudypresultsparepstatisticallypsignificantpandpwhetherporpnotpthepchan
cepmodelpispapplausiblepexplanationpforpthepdata.
LO1.1-
5:pImplementpthep3Spstrategy:pfindpapstatistic,psimulatepresultspfrompapchancepmodel,pandpcomm
entponpstrengthpofpevidencepagainstpobservedpstudypresultsphappeningpbypchancepalone.
LO1.1-
6:pDifferentiatepbetweenpsayingpthepchancepmodelpispplausiblepandpthepchancepmodelpispthepcorrec
tpexplanationpforpthepobservedpdata.
FORpINSTRUCTORpUSEpONLY
, 1-2 TestpBankpforpIntroductionptopStatisticalpInvestigations,p2ndpEdition
Questionsp1pthroughp4:
DopredpuniformpwearersptendptopwinpmorepoftenpthanpthosepwearingpbluepuniformspinpTaekwond
opmatchespwherepcompetitorspareprandomlypassignedptopwearpeitherpapredporpbluepuniform?pInpap
samplepofp80pTaekwondopmatches,ptherepwerep45pmatchespwherepthepredpuniformpwearerpwon.
1. Whatpispthepparameterpofpinterestpforpthispstudy?
A. Theplong-runpproportionpofpTaekwondopmatchespinpwhichpthepredpuniformpwearerpwins
B. Thepproportionpofpmatchespinpwhichpthepredpuniformpwearerpwinspinpapsamplepofp80pTaek
wondopmatches
C. Whetherpthepredpuniformpwearerpwinspapmatch
D.p 0.50
Ans:pA;pLO:p1.1-1;pDifficulty:pEasy;pType:pMC
2. Whatpispthepstatisticpforpthispstudy?
A. Theplong-runpproportionpofpTaekwondopmatchespinpwhichpthepredpuniformpwearerpwins
B. Thepproportionpofpmatchespinpwhichpthepredpuniformpwearerpwinspinpapsamplepofp80pTaek
wondopmatches
C. Whetherpthepredpuniformpwearerpwinspapmatch
D.p 0.50
Ans:pB;pLO:p1.1-1;pDifficulty:pEasy;pType:pMC
3. Givenpbelowpispthepsimulatedpdistributionpofpthepnumberpofp―redpwins‖pthatpcouldphappenpbypchan
cepalonepinpapsamplepofp80pmatches.pBasedponpthispsimulation,pispourpobservedpresultpstatisticallyps
ignificant?
A. Yes,psincep45pisplargerpthanp40.
B. Yes,psincepthepheightpofpthepdotplotpabovep45pispsmallerpthanpthepheightpofpthepdotpl
otpabovep40.
C. No,psincep45pispapfairlyptypicalpoutcomepifpthepcolorpofpthepwinner‘spuniformpwaspdeter
minedpbypchancepalone.
FORpINSTRUCTORpUSEpONLY
