TEST BANK d d
Introduction to Statistical Investigations,
d d d d
2nd Edition Nathan Tintle; Beth L. Chance C
d d d d d d d
hapters 1 - 11, Complete
d d d d
FORdINSTRUCTORdUSEdONLY
,TABLE OF CONTENTS
d d d
Chapter 1 – Significance: How Strong is the Evidence
d d d d d d d d d
Chapter 2 – Generalization: How Broadly Do the Results Apply?
d d d d d d d d d d
Chapter 3 – Estimation: How Large is the Effect?
d d d d d d d d d
Chapter 4 – Causation: Can We Say What Caused the Effect?
d d d d d d d d d d d
Chapter 5 – Comparing Two Proportions
d d d d d d
Chapter 6 – Comparing Two Means
d d d d d d
Chapter 7 – Paired Data: One Quantitative Variable
d d d d d d d d
Chapter 8 – Comparing More Than Two Proportions
d d d d d d d d
Chapter 9 – Comparing More Than Two Means
d d d d d d d d
Chapter 10 – Two Quantitative Variables
d d d d d d
Chapter 11 – Modeling Randomness
d d d d
FORdINSTRUCTORdUSEdONLY
,Chapter 1 d
Note:dddTEd =d Textdentry TE-Nd=dTextdentryd-
dNumericdMad =d Matching MSd =d Multipledselect
MCd =d Multipledchoice TFd=dTrue-
FalsedEd=dEasy,dMd=dMedium,dHd=dHard
CHAPTER 1 LEARNING OBJECTIVES
d d d
CLO1-1:dUsedthedchancedmodeldtoddeterminedwhetherdandobserveddstatisticdisdunlikelydtodoccur.
CLO1-2:dCalculatedanddinterpretdadp-
value,danddstatedthedstrengthdofdevidenceditdprovidesdagainstdthednulldhypothesis.
CLO1-
3:dCalculatedadstandardizeddstatisticdfordadsingledproportiondanddevaluatedthedstrengthdofdevide
nceditdprovidesdagainstdadnulldhypothesis.
CLO1-
4:dDescribedhowdtheddistancedofdthedobserveddstatisticdfromdthedparameterdvaluedspecifieddbydthed
nulldhypothesis,dsampledsize,danddone-dvs.dtwo-
sideddtestsdaffectdthedstrengthdofdevidencedagainstdthednulldhypothesis.
CLO1-5:dDescribedhowdtodcarrydoutdadtheory-based,done-proportiondz-test.
Section 1.1: Introduction to Chance Models
d d d d d
LO1.1-1:dRecognizedtheddifferencedbetweendparametersdanddstatistics.
LO1.1-2:dDescribedhowdtodusedcoindtossingdtodsimulatedoutcomesdfromdadchancedmodeldofdthedran-
domdchoicedbetweendtwodevents.
d
LO1.1-3:dUsedthedOnedProportiondappletdtodcarrydoutdthedcoindtossingdsimulation.
LO1.1-
4:dIdentifydwhetherdordnotdstudydresultsdaredstatisticallydsignificantdanddwhetherdordnotdthedchan
cedmodeldisdadplausibledexplanationdfordtheddata.
LO1.1-
5:dImplementdthed3Sdstrategy:dfinddadstatistic,dsimulatedresultsdfromdadchancedmodel,danddcomm
entdondstrengthdofdevidencedagainstdobserveddstudydresultsdhappeningdbydchancedalone.
LO1.1-
6:dDifferentiatedbetweendsayingdthedchancedmodeldisdplausibledanddthedchancedmodeldisdthedcorrec
tdexplanationdfordthedobservedddata.
FORdINSTRUCTORdUSEdONLY
, 1-2 TestdBankdfordIntroductiondtodStatisticaldInvestigations,d2nddEdition
Questionsd1dthroughd4:
DodredduniformdwearersdtenddtodwindmoredoftendthandthosedwearingdblueduniformsdindTaekwond
odmatchesdwheredcompetitorsdaredrandomlydassigneddtodweardeitherdadreddordblueduniform?dIndad
sampledofd80dTaekwondodmatches,dtheredwered45dmatchesdwheredthedredduniformdwearerdwon.
1. Whatdisdthedparameterdofdinterestdfordthisdstudy?
A. Thedlong-rundproportiondofdTaekwondodmatchesdindwhichdthedredduniformdwearerdwins
B. Thedproportiondofdmatchesdindwhichdthedredduniformdwearerdwinsdindadsampledofd80dTaek
wondodmatches
C. Whetherdthedredduniformdwearerdwinsdadmatch
D.d 0.50
Ans:dA;dLO:d1.1-1;dDifficulty:dEasy;dType:dMC
2. Whatdisdthedstatisticdfordthisdstudy?
A. Thedlong-rundproportiondofdTaekwondodmatchesdindwhichdthedredduniformdwearerdwins
B. Thedproportiondofdmatchesdindwhichdthedredduniformdwearerdwinsdindadsampledofd80dTaek
wondodmatches
C. Whetherdthedredduniformdwearerdwinsdadmatch
D.d 0.50
Ans:dB;dLO:d1.1-1;dDifficulty:dEasy;dType:dMC
3. Givendbelowdisdthedsimulatedddistributiondofdthednumberdofd―reddwins‖dthatdcoulddhappendbydchan
cedalonedindadsampledofd80dmatches.dBaseddondthisdsimulation,disdourdobserveddresultdstatisticallyds
ignificant?
A. Yes,dsinced45disdlargerdthand40.
B. Yes,dsincedthedheightdofdtheddotplotdaboved45disdsmallerdthandthedheightdofdtheddotpl
otdaboved40.
C. No,dsinced45disdadfairlydtypicaldoutcomedifdthedcolordofdthedwinner‘sduniformdwasddeter
mineddbydchancedalone.
FORdINSTRUCTORdUSEdONLY
Introduction to Statistical Investigations,
d d d d
2nd Edition Nathan Tintle; Beth L. Chance C
d d d d d d d
hapters 1 - 11, Complete
d d d d
FORdINSTRUCTORdUSEdONLY
,TABLE OF CONTENTS
d d d
Chapter 1 – Significance: How Strong is the Evidence
d d d d d d d d d
Chapter 2 – Generalization: How Broadly Do the Results Apply?
d d d d d d d d d d
Chapter 3 – Estimation: How Large is the Effect?
d d d d d d d d d
Chapter 4 – Causation: Can We Say What Caused the Effect?
d d d d d d d d d d d
Chapter 5 – Comparing Two Proportions
d d d d d d
Chapter 6 – Comparing Two Means
d d d d d d
Chapter 7 – Paired Data: One Quantitative Variable
d d d d d d d d
Chapter 8 – Comparing More Than Two Proportions
d d d d d d d d
Chapter 9 – Comparing More Than Two Means
d d d d d d d d
Chapter 10 – Two Quantitative Variables
d d d d d d
Chapter 11 – Modeling Randomness
d d d d
FORdINSTRUCTORdUSEdONLY
,Chapter 1 d
Note:dddTEd =d Textdentry TE-Nd=dTextdentryd-
dNumericdMad =d Matching MSd =d Multipledselect
MCd =d Multipledchoice TFd=dTrue-
FalsedEd=dEasy,dMd=dMedium,dHd=dHard
CHAPTER 1 LEARNING OBJECTIVES
d d d
CLO1-1:dUsedthedchancedmodeldtoddeterminedwhetherdandobserveddstatisticdisdunlikelydtodoccur.
CLO1-2:dCalculatedanddinterpretdadp-
value,danddstatedthedstrengthdofdevidenceditdprovidesdagainstdthednulldhypothesis.
CLO1-
3:dCalculatedadstandardizeddstatisticdfordadsingledproportiondanddevaluatedthedstrengthdofdevide
nceditdprovidesdagainstdadnulldhypothesis.
CLO1-
4:dDescribedhowdtheddistancedofdthedobserveddstatisticdfromdthedparameterdvaluedspecifieddbydthed
nulldhypothesis,dsampledsize,danddone-dvs.dtwo-
sideddtestsdaffectdthedstrengthdofdevidencedagainstdthednulldhypothesis.
CLO1-5:dDescribedhowdtodcarrydoutdadtheory-based,done-proportiondz-test.
Section 1.1: Introduction to Chance Models
d d d d d
LO1.1-1:dRecognizedtheddifferencedbetweendparametersdanddstatistics.
LO1.1-2:dDescribedhowdtodusedcoindtossingdtodsimulatedoutcomesdfromdadchancedmodeldofdthedran-
domdchoicedbetweendtwodevents.
d
LO1.1-3:dUsedthedOnedProportiondappletdtodcarrydoutdthedcoindtossingdsimulation.
LO1.1-
4:dIdentifydwhetherdordnotdstudydresultsdaredstatisticallydsignificantdanddwhetherdordnotdthedchan
cedmodeldisdadplausibledexplanationdfordtheddata.
LO1.1-
5:dImplementdthed3Sdstrategy:dfinddadstatistic,dsimulatedresultsdfromdadchancedmodel,danddcomm
entdondstrengthdofdevidencedagainstdobserveddstudydresultsdhappeningdbydchancedalone.
LO1.1-
6:dDifferentiatedbetweendsayingdthedchancedmodeldisdplausibledanddthedchancedmodeldisdthedcorrec
tdexplanationdfordthedobservedddata.
FORdINSTRUCTORdUSEdONLY
, 1-2 TestdBankdfordIntroductiondtodStatisticaldInvestigations,d2nddEdition
Questionsd1dthroughd4:
DodredduniformdwearersdtenddtodwindmoredoftendthandthosedwearingdblueduniformsdindTaekwond
odmatchesdwheredcompetitorsdaredrandomlydassigneddtodweardeitherdadreddordblueduniform?dIndad
sampledofd80dTaekwondodmatches,dtheredwered45dmatchesdwheredthedredduniformdwearerdwon.
1. Whatdisdthedparameterdofdinterestdfordthisdstudy?
A. Thedlong-rundproportiondofdTaekwondodmatchesdindwhichdthedredduniformdwearerdwins
B. Thedproportiondofdmatchesdindwhichdthedredduniformdwearerdwinsdindadsampledofd80dTaek
wondodmatches
C. Whetherdthedredduniformdwearerdwinsdadmatch
D.d 0.50
Ans:dA;dLO:d1.1-1;dDifficulty:dEasy;dType:dMC
2. Whatdisdthedstatisticdfordthisdstudy?
A. Thedlong-rundproportiondofdTaekwondodmatchesdindwhichdthedredduniformdwearerdwins
B. Thedproportiondofdmatchesdindwhichdthedredduniformdwearerdwinsdindadsampledofd80dTaek
wondodmatches
C. Whetherdthedredduniformdwearerdwinsdadmatch
D.d 0.50
Ans:dB;dLO:d1.1-1;dDifficulty:dEasy;dType:dMC
3. Givendbelowdisdthedsimulatedddistributiondofdthednumberdofd―reddwins‖dthatdcoulddhappendbydchan
cedalonedindadsampledofd80dmatches.dBaseddondthisdsimulation,disdourdobserveddresultdstatisticallyds
ignificant?
A. Yes,dsinced45disdlargerdthand40.
B. Yes,dsincedthedheightdofdtheddotplotdaboved45disdsmallerdthandthedheightdofdtheddotpl
otdaboved40.
C. No,dsinced45disdadfairlydtypicaldoutcomedifdthedcolordofdthedwinner‘sduniformdwasddeter
mineddbydchancedalone.
FORdINSTRUCTORdUSEdONLY
