m m m m m m m m m m m m
tion Peck m
Chapter 2: Collecting Data
m m m
Concept Quiz m
Name m
Themfollowingmquestionsmarem inmam Truem /mFalsemformat.m Themanswers mtomthesemquestionsmw
ill mfrequentlymdepend monmrememberingmfacts,munderstandingmof mthemconcepts,mand mknowin
gmthemstatisticalmvocabulary.m Beforemansweringmthesemquestions,mbemsuremtomread mthemmcar
efully!
T F 1.
Bymdefinition,mamsimplemrandommsamplemof msizemnmismanymsamplemthat mi
smselected minmammannermtomguaranteemeverymindividualminmthempopulationmha
smanmequalmchancemof mselection.
T F 2. Clustersmaremnon-
overlappingmsubgroupsmof mampopulationmthat mhavembeenmidentified masmh
omogeneous.
T F 3.
Blockingmismamtechniquemthat mcanmbemused mtomfiltermout mthemeff
ectsmof mextraneousmfactors.
T F 4.
Responsembiasmcanmoccurmwhenmresponsesmaremnot mactuallymobtained mfr
ommallmindividualsmselected mforminclusionminmthemsample.
Tm m Fm m m 5.m m Selectionmbiasmcanmoccurm if mvolunteersmonlymaremused minmamstudy.
T F 6.
Stratified msamplingmismamsamplingmmethod mthat minmnomwayminvolvesms
implemrandommsampling.
Tm m Fm m m 7.m m Increasingmsamplem sizemwillmgenerallymeliminatembiasminm amsample.
T F 8.
Amplacebomismidenticalminmappearancemtomthemtreatment mof mintere
st,mbut mcontainsmnomactivemingredients.
T F 9.
Amstudymismanmobservationalmstudymif mtheminvestigatormobservesmthembe
haviormof mamresponsemvariablemwhenmonemormmore mfactorsmarem manipulated
Chapterm2,mConcept mQui
zmPagem1mof m2
mynursytest.store
,DOWNLOAD THE Test Bank for Introduction to Statistics and Data Analysis 5th Ed
m m m m m m m m m m m m
tion Peck m
.
T F 10. Inmamwell-
designed mexperiment,mthemfactorsmaremconfounded mwhenevermpossibl
e.
Chapterm2,mConcept mQui
zmPagem2mof m2
mynursytest.store
,DOWNLOAD THE Test Bank for Introduction to Statistics and Data Analysis 5th Ed
m m m m m m m m m m m m
tion Peck m
Chapter 2: Collecting Data
m m m
Concept Quiz (Cont'd)
m m
T F 11.
Asmlongmasmthemsamplemsizemismsmallmrelativemtomthempopulation,mtheremismlit
tlempracticalmdifferencembetweenmsamplingmwithmreplacement mand msamplin
gmwithout mreplacement.
T F 12.
Amtreatment mismanymparticularmcombinationmof mvaluesmformthemexpla
natorymvariables.
T F 13.
Twomfactorsmaremextraneousmif mtheirmeffectsmonmthemresponsemvariablem
cannot mbemdistinguished mfrommonemanother.
T F 14.
Randommassignment mtomtreatmentsmwillmguaranteemgroupsmthat maremexactl
ymalikemformexperimentalmpurposes.
T F 15.
Themmethod mof mcontrolmwhereinmanmextraneousmvariablemismheld mcons
tant mismcalled mblocking.
T F 16. Randommsubpopulationsmof mampopulationmaremcalled mstrata.
T F 17. Amcontrolmgroupmprovidesmambaselinemformcomparisonmtomamtreatment mgroup.
T F 18.
Randommassignment mof mvolunteersmshould mresult minmcomparabl
emexperimentalmgroups.
T F 19.
If mthemsubjectsmasmwellmasmthempersonmmeasuringmthemresponsemarema
waremof mthemtreatment massigned mtomthemsubject,monlymsingle-
blindingmismbeingmused.
T F 20.
Replicatingminmanmexperiment mmeansmthat mthemnumbermof msubjectsmismg
reatermthanm1.
mynursytest.store
, DOWNLOAD THE Test Bank for Introduction to Statistics and Data Analysis 5th Ed
m m m m m m m m m m m m
tion Peck m
Chapterm2,mConcept mQuizmP
agem2mof m2
mynursytest.store