TEST BANK FOR Introduction to the Practice of Statistics 9TH Edition By David S. Moore, George P. McCabe, Bruce Craig

DOWNLOAD THE Test Bank for Introduction to the Practice of Statistics9th Edi
l l l l l l l l l l l l

tion Moore l




1. Filllinlthelblank.lWhenlcreatinglalscatterplot,lonelshouldluselthe
axisl
forlthelexplanatorylvariableliflalregressionllinelisltolbelfitltoltheldata.


2. Filllinlthelblank.lAlstudylislconductedltoldetermineliflonelcanlpredictlthelyieldloflalcroplbasedl
onlthelamountloflyearlylrainfall.lll Thelvariable
islthelresponsel
variablelinlthislstudy.


3. Filllinlthelblank.lAlresearcherlislinterestedlinldeterminingliflonelcouldlpredictlthelscorelonlals
tatisticslexamlfromlthelamountlofltimelspentlstudyinglforlthelexam.l Thelvariable
islthelexplanatorylvariablelinlthislstudy.


4. Filllinlthelblank.lThelEnvironmentallProtectionlAgencylrecordsldatalonlthelfuelleconomyl
oflmanyldifferentlmakesloflcars.lTheylarelinterestedlinldeterminingliflonelcouldlpredictlthe
lmileageloflthelcarl(inlmileslperlgallon)lfromlthelweightloflthelcarl(in

lbs.).lThelvariable islthelresponselvariablelinlthislstudy.


5. Filllinlthelblank.lThelownerloflalwinerylcollectsldatalonlcompetinglwineriesleverylyear.lHelw
ouldllikeltolpredictlthelgrosslsalesl(inlnumberloflcases)lfromlthelsizeloflthelwineriesl(inlacres
).lThelvariable
_lislthelexplanatorylvariablelinlthislstud
y.


6. Filllinlthelblank.lAlscatterplotlislalgraphicalltoollforldisplayinglthelrelationshiplbetweenltwo
variableslmeasuredlonlthelsamelindividuals.




Pagel1
mynursytest.store

,DOWNLOAD THE Test Bank for Introduction to the Practice of Statistics9th Edi
l l l l l l l l l l l l

tion Moore l




7. Alresearcherlmeasuredlthelheightl(inlfeet)landlvolumeloflusablellumberl(inlcubiclfeet)lofl32
lcherryltrees.lThelgoallisltoldetermineliflthelvolumeloflusablellumberlcanlbelestimatedlfrom

lthelheightloflaltree.l Thelresultslarelplottedlbelow:




Filllinlthelblank.lThelvariable islthelresponselvariablelinlthislstudy.




Pagel2
mynursytest.store

,DOWNLOAD THE Test Bank for Introduction to the Practice of Statistics9th Edi
l l l l l l l l l l l l

tion Moore l




8. Alresearcherlmeasuredlthelheightl(inlfeet)landlvolumeloflusablellumberl(inlcubiclfeet)lofl32
lcherryltrees.lThelgoallisltoldetermineliflthelvolumeloflusablellumberlcanlbelestimatedlfrom

lthelheightloflaltree.l Thelresultslarelplottedlbelow:




Selectlallldescriptionslthatlapplyltolthelscatterplot.
A) Therelislalpositivelassociationlbetweenlheightlandlvolume.
B) Therelislalnegativelassociationlbetweenlheightlandlvolume.
C) Therelislanloutlierlinlthelplot.
D) Thelplotlislskewedltolthelleft.
E) BothlAlandlC




Pagel3
mynursytest.store

, DOWNLOAD THE Test Bank for Introduction to the Practice of Statistics9th Edi
l l l l l l l l l l l l

tion Moore l




9. Thelgraphlbelowlislalplotloflthelfuellefficiencyl(inlmileslperlgallon,lorlmpg)loflvariouslcarslv
ersuslthelweightlofltheselcarsl(inlthousandsloflpounds).




Thelpointsldenotedlbylthelplottinglsymboll×lcorrespondltolpick-
upltruckslandlSUVs.lThelpointsldenotedlbylthelplottinglsymbolllcorrespondltolautomobi
lesl(sedanslandlstationlwagons).lWhatlcanlwelconcludelfromlthislplot?
A) Therelisllittleldifferencelbetweenltruckslandlautomobiles.
B) Trucksltendltolbelhigherlinlweightlthanlautomobiles.
C) Trucksltendltolgetlpoorerlgaslmileagelthanlautomobiles.
D) Thelplotlislinvalid.lAlscatterplotlislusedltolrepresentlquantitativelvariables,landlthelv
ehicleltypelislalqualitativelvariable.
E) BothlBlandlC




Pagel4
mynursytest.store