CreatedHBy:HAHSolutio
n
Solutions Manual for An Introduction to Statistical Concepts, 4th
H H H H H H H H H
Edition by Debbie Hahs-
H H H
Vaughn, Richard Lomax (All Chapters Answers at the end of ea
H H H H H H H H H H
ch Chapter) A+
H H
PROBLEMS
ConceptualHProblems
1. AHmentalHhealthHcounselorHisHconductingHaHresearchHstudyHonHsatisfactionHthatHmarriedH
couplesHhaveHwithHtheirHmarriage.H“MaritalHstatus”H(e.g.,Hsingle,Hmarried,Hdivorced,Hwidowed),Hi
nHthisHscenario,HisHwhichHoneHofHtheHfollowing?
a. Constant
b. Variable
2. BelleHrandomlyHsamplesH100HlibraryHpatronsHandHgathersHdataHonHtheHgenreHofHtheH"firstH
book"HthatHtheyHcheckedHoutHfromHtheHlibrary.HSheHfindsHthatH85HlibraryHpatronsHcheckedHoutHaHf
ictionHbookHandH15HlibraryHpatronsHcheckedHoutHaHnon-
fictionHbook.HWhichHofHtheHfollowingHbestHcharacterizesHtheHtypeHofH"firstHbook"HcheckedHoutHin
thisHstudy?
H
a. Constant
b. Variable
3. ForHintervalHlevelHvariables,HwhichHofHtheHfollowingHpropertiesHdoesHnotHapply?
1
,CreatedHBy:HAHSolutio
n
a. "A"HisHtwoHunitsHgreaterHthanH„B‟
b. "A"HisHgreaterHthanH„B‟
2
,CreatedHBy:HAHSolutio
n
c. "A"HisHtwiceHasHgoodHasH„B‟
d. "A"HdiffersHfromH„B‟
4. WhichHofHtheHfollowingHpropertiesHisHappropriateHforHordinal,HbutHnotHforHnomin
alHvariables?
a. "A"HdiffersHfromH„B‟
b. "A"HisHgreaterHthanH„B‟
c. "A"HisHtenHunitsHgreaterHthanH„B‟
d. "A"HisHtwiceHasHgoodHasH„B‟
5. WhichHscaleHofHmeasurementHisHimpliedHbyHtheHfollowingHstatement:H“JoAnn‟sHscoreH
isHthreeHtimesHgreaterHthanHOscar‟sHscore?”
a. Nominal
6. WhichHscaleHofHmeasurementHisHproducedHtheHfollowingHsurveyHitem:H"WhichHseasonH
doHyouHpreferHtoHspendHyourHtime?HSpring,HSummer,HFall,HWinter?"
a. Nominal
b. Ordinal
c. Interval
d. Ratio
7. AHbandHdirectorHcollectsHdataHonHtheHnumberHofHyearsHinHwhichHstudentsHinHtheHbandHha
veHplayedHaHmusicalHinstrument.HWhichHscaleHofHmeasurementHisHimpliedHbyHthisHscenario?
a. Nominal
3
, CreatedHBy:HAHSolutio
n
b. Ordinal
c. Interval
d. Ratio
8. KristenHhasHanHIQHofH120.HIHassertHthatHKristenHisH20%HmoreHintelligentHthanHtheHavera
geHpersonHhavingHanHIQHofH100.HAmHIHcorrect?
9. PopulationHisHtoHparameterHasHsampleHisHtoHstatistic.HTrueHorHfalse?
10. AHdichotomousHvariableHisHalsoHaHcategoricalHvariable.HTrueHorHfalse?
11. TheHamountHofHtimeHspentHstudyingHinHoneHweekHforHaHpopulationHofHstudentsHisH
anHinferentialHstatistic.HTrueHorHfalse?
12. AHsampleHofH50HstudentsHtakeHanHexamHandHtheHinstructorHdecidesHtoHgiveHtheHtopH5Hscore
sHaHbonusHofH5Hpoints.HComparedHtoHtheHoriginalHsetHofHscoresH(noHbonus),HwillHtheHranksHofHtheHn
ewHsetHofHscoresH(includingHbonus)HbeHexactlyHtheHsame?
13. MalaniHandHLailaHhaveHclassHranksHofH5HandH6.HIngridHandHToomasHhaveHclassHranksHofH
55Hand
56.HWillHtheHGPAsHofHMalaniHandHLailaHbeHtheHsameHdistanceHapartHasHtheHGPAsHofHIngridHa
ndHToomas?
4
n
Solutions Manual for An Introduction to Statistical Concepts, 4th
H H H H H H H H H
Edition by Debbie Hahs-
H H H
Vaughn, Richard Lomax (All Chapters Answers at the end of ea
H H H H H H H H H H
ch Chapter) A+
H H
PROBLEMS
ConceptualHProblems
1. AHmentalHhealthHcounselorHisHconductingHaHresearchHstudyHonHsatisfactionHthatHmarriedH
couplesHhaveHwithHtheirHmarriage.H“MaritalHstatus”H(e.g.,Hsingle,Hmarried,Hdivorced,Hwidowed),Hi
nHthisHscenario,HisHwhichHoneHofHtheHfollowing?
a. Constant
b. Variable
2. BelleHrandomlyHsamplesH100HlibraryHpatronsHandHgathersHdataHonHtheHgenreHofHtheH"firstH
book"HthatHtheyHcheckedHoutHfromHtheHlibrary.HSheHfindsHthatH85HlibraryHpatronsHcheckedHoutHaHf
ictionHbookHandH15HlibraryHpatronsHcheckedHoutHaHnon-
fictionHbook.HWhichHofHtheHfollowingHbestHcharacterizesHtheHtypeHofH"firstHbook"HcheckedHoutHin
thisHstudy?
H
a. Constant
b. Variable
3. ForHintervalHlevelHvariables,HwhichHofHtheHfollowingHpropertiesHdoesHnotHapply?
1
,CreatedHBy:HAHSolutio
n
a. "A"HisHtwoHunitsHgreaterHthanH„B‟
b. "A"HisHgreaterHthanH„B‟
2
,CreatedHBy:HAHSolutio
n
c. "A"HisHtwiceHasHgoodHasH„B‟
d. "A"HdiffersHfromH„B‟
4. WhichHofHtheHfollowingHpropertiesHisHappropriateHforHordinal,HbutHnotHforHnomin
alHvariables?
a. "A"HdiffersHfromH„B‟
b. "A"HisHgreaterHthanH„B‟
c. "A"HisHtenHunitsHgreaterHthanH„B‟
d. "A"HisHtwiceHasHgoodHasH„B‟
5. WhichHscaleHofHmeasurementHisHimpliedHbyHtheHfollowingHstatement:H“JoAnn‟sHscoreH
isHthreeHtimesHgreaterHthanHOscar‟sHscore?”
a. Nominal
6. WhichHscaleHofHmeasurementHisHproducedHtheHfollowingHsurveyHitem:H"WhichHseasonH
doHyouHpreferHtoHspendHyourHtime?HSpring,HSummer,HFall,HWinter?"
a. Nominal
b. Ordinal
c. Interval
d. Ratio
7. AHbandHdirectorHcollectsHdataHonHtheHnumberHofHyearsHinHwhichHstudentsHinHtheHbandHha
veHplayedHaHmusicalHinstrument.HWhichHscaleHofHmeasurementHisHimpliedHbyHthisHscenario?
a. Nominal
3
, CreatedHBy:HAHSolutio
n
b. Ordinal
c. Interval
d. Ratio
8. KristenHhasHanHIQHofH120.HIHassertHthatHKristenHisH20%HmoreHintelligentHthanHtheHavera
geHpersonHhavingHanHIQHofH100.HAmHIHcorrect?
9. PopulationHisHtoHparameterHasHsampleHisHtoHstatistic.HTrueHorHfalse?
10. AHdichotomousHvariableHisHalsoHaHcategoricalHvariable.HTrueHorHfalse?
11. TheHamountHofHtimeHspentHstudyingHinHoneHweekHforHaHpopulationHofHstudentsHisH
anHinferentialHstatistic.HTrueHorHfalse?
12. AHsampleHofH50HstudentsHtakeHanHexamHandHtheHinstructorHdecidesHtoHgiveHtheHtopH5Hscore
sHaHbonusHofH5Hpoints.HComparedHtoHtheHoriginalHsetHofHscoresH(noHbonus),HwillHtheHranksHofHtheHn
ewHsetHofHscoresH(includingHbonus)HbeHexactlyHtheHsame?
13. MalaniHandHLailaHhaveHclassHranksHofH5HandH6.HIngridHandHToomasHhaveHclassHranksHofH
55Hand
56.HWillHtheHGPAsHofHMalaniHandHLailaHbeHtheHsameHdistanceHapartHasHtheHGPAsHofHIngridHa
ndHToomas?
4
