INSTRUCTOR’S SOLUTIONS u u
MANUAL
DIRK TEMPELAAR
u
Masstricht University
u
u
BUSINESS STATISTICS u
THIRD E DITION u
Robert A. Donnelly u u
Complete Chapter Solutions Manuala
u u u u
re included (Ch 1 to 18)
u u u u u
** Immediate Download
u u
** Swift Response
u u
** All Chapters included
u u u
, Table of Contents
u u
Chapteru1:uAnuIntroductionutouBusinessuStatistics… .................................................................... 1-1
Chapteru2:uDisplayinguDescriptiveuStatistics… ............................................................................ 2-1
Chapteru3:uCalculatinguDescriptiveuStatistics… ...........................................................................3-1
Chapteru4:uIntroductionutouProbabilities… .................................................................................. 4-1
Chapteru5:uDiscreteuProbabilityuDistributions….......................................................................... 5-1
Chapteru6:uContinuousuProbabilityuDistributions… .................................................................... 6-1
Chapteru7:uSamplinguanduSamplinguDistributions… ....................................................................7-1
Chapteru8:uConfidenceuIntervals… ............................................................................................... 8-1
Chapteru9:uHypothesisuTestinguforuauSingleuPopulation… ........................................................... 9-1
Chapteru10:uHypothesisuTestsuComparinguTwouPopulations… .................................................. 10-1
Chapteru11:uAnalysisuofuVarianceu(ANOVA)uProcedures… ...................................................... 11-1
Chapteru12:uChi-SquareuTests…................................................................................................. 12-1
Chapteru13:uHypothesisuTestsuforutheuPopulationuVariance… .................................................... 13-1
Chapteru14:uCorrelationuanduSimpleuLinearuRegression… ......................................................... 14-1
Chapteru15:uMultipleuRegressionuanduModeluBuilding… ........................................................... 15-1
Chapteru16:uForecasting ............................................................................................................. 16-1
Chapteru17:uDecisionuAnalysis… .............................................................................................. 17-1
Chapteru18:uNonparametricuStatistics… ..................................................................................... 18-1
, CHAPTER 1 u
An Introduction to Business Statistics
u u u u
1.1 Quantitative/Interval.uTheudifferencesubetweenuaverageumonthlyutemperaturesuareu
meaningful,ubututhereuisunoutrueuzeroupoint,ui.e.,uabsenceuofutemperature.
1.2 Quantitative/Ratio.uTheudifferencesubetweenuaverageumonthlyurainfallsuareumeaningful,uandut
hereuisuautrueuzeroupoint,ubecauseuthereumayubeuaumonthuwithoutuanyurainfalls.
1.3 Qualitative/Ordinal.uYouucanurankueducationulevel,ubututheudifferencesubetweenudifferentu
educationalulevelsucannotubeumeasured.
1.4 Qualitative/Nominal.uTheumaritalustatusuisujustuaulabeluwithoutuaumeaningfuludifference,uorur
anking.
1.5 Quantitative/Ratio.uTheudifferencesubetweenuagesuofurespondentsuareumeaningfuluanduthere
isuautrueuzeroupoint:uanuageuofutheurespondentsuthatuequalsuzerourepresentsutheuabsenceuofuage.
1.6 Qualitative/Nominal.uTheugendersuareumerelyulabelsuwithunourankinguorumeaningfulu
difference.
1.7 Quantitative/Interval.uTheudifferencesubetweenubirthuyearsuareumeaningful,ubututhereuisunoutrueuz
eroupointuwithucalendaruyears.
1.8 Qualitative/uNominal.uTheupoliticaluaffiliationsuareumerelyulabelsuwithunourankinguoru
meaningfuludifference.
1.9 Qualitative/uNominal.uTheuracesuofutheurespondentsuareumerelyulabelsuwithunourankinguoru
meaningfuludifference.
1.10 Qualitative/uOrdinal.uYouucanurankutheuperformanceurating,ubututheudifferencesubetweenud
ifferentuperformanceuratingsucannotubeumeasured.
1.11 Qualitative/uNominal.uTheuuniformunumbersuofueachumemberuofutheuschool’susportuteamuareul
abelsuwithunourankinguorumeaningfuludifference.
1.12 Qualitative/ordinal.uTheudifferencesuinutheudatauvaluesubetweenuclassuranksuareunotu
meaningful.
, 1-2u Chapteru1
1.13 Quantitative/Ratio.uTheudifferencesubetweenufinaluexamuscoresuforuyourustatisticsuclass
areumeaningful,uanduthereuisuautrueuzeroupointubecauseuaustudentuwhoudidunotutakeutheuexamuwou
lduhaveuauscoreuofuzero.
1.14 Qualitative/Nominal.uTheustateuinuwhichutheurespondentsuinuausurveyuresideuisuaulabeluanduitui
sumeaninglessutoutalkuaboututheuratinguofuthisuvalue.
1.15 Quantitative/Interval.uTheudifferencesubetweenuSATuscoresuforugraduatinguhighuschoolustude
ntsuareumeaningful,ubututhereuisunoutrueuzeroupointubecauseuaustudentuwithuanuSATuscoreuequalut
ouzeroudoesunotuindicateutheuabsenceuofuauscore.
1.16 Qualitative/Ordinal.uYouucanurankumovieuratings,ubututheudifferencesubetweenu
differenturatingsucannotubeumeasured.
1.17 Qualitative/ordinal.uTheudifferencesuinutheudatauvaluesubetweenuratingsuareunotumeaningful.
1.18 Qualitative/ordinal.uTheudifferencesuinutheudatauvaluesubetweenuratingsuareunotumeaningful.
1.19 Cross-sectional
1.20 Timeuseries
1.21 Timeuseries:uMenuweeklyuearningsuoverutheufiveuyears.uTi
meuseries:uWomenuweeklyuearningsuoverutheufiveuyears.
1.22 Cross-sectionaludata:uMenuanduwomenuworkersuweeklyuearningsuforuanyuoneuparticularuyear.
1.23 Cross-sectional:uTheunumberuofu8x10,u11x14uandu13x19uprintsusolduoveruauparticularuyear.
1.24 Timeuseries:utheunumberuofu8x10uprintsusolduoverutheufouruyears.uT
imeuseries:utheunumberuofu11x14uprintsusolduoverutheufouruyears.uTi
meuseries:utheunumberuofu13x19uprintsusolduoverutheufouruyears.
1.25 Descriptiveustatistics,ubecauseuituidentifiesuausampleumean.
1.26 Inferentialustatistics,ubecauseutheustatementsuaboutucomparingutheuaverageucostsuofuauhotelur
oomuinutwoustatesuwasubaseduonuresultsufromusamplesutakenufromutwoupopulations.
MANUAL
DIRK TEMPELAAR
u
Masstricht University
u
u
BUSINESS STATISTICS u
THIRD E DITION u
Robert A. Donnelly u u
Complete Chapter Solutions Manuala
u u u u
re included (Ch 1 to 18)
u u u u u
** Immediate Download
u u
** Swift Response
u u
** All Chapters included
u u u
, Table of Contents
u u
Chapteru1:uAnuIntroductionutouBusinessuStatistics… .................................................................... 1-1
Chapteru2:uDisplayinguDescriptiveuStatistics… ............................................................................ 2-1
Chapteru3:uCalculatinguDescriptiveuStatistics… ...........................................................................3-1
Chapteru4:uIntroductionutouProbabilities… .................................................................................. 4-1
Chapteru5:uDiscreteuProbabilityuDistributions….......................................................................... 5-1
Chapteru6:uContinuousuProbabilityuDistributions… .................................................................... 6-1
Chapteru7:uSamplinguanduSamplinguDistributions… ....................................................................7-1
Chapteru8:uConfidenceuIntervals… ............................................................................................... 8-1
Chapteru9:uHypothesisuTestinguforuauSingleuPopulation… ........................................................... 9-1
Chapteru10:uHypothesisuTestsuComparinguTwouPopulations… .................................................. 10-1
Chapteru11:uAnalysisuofuVarianceu(ANOVA)uProcedures… ...................................................... 11-1
Chapteru12:uChi-SquareuTests…................................................................................................. 12-1
Chapteru13:uHypothesisuTestsuforutheuPopulationuVariance… .................................................... 13-1
Chapteru14:uCorrelationuanduSimpleuLinearuRegression… ......................................................... 14-1
Chapteru15:uMultipleuRegressionuanduModeluBuilding… ........................................................... 15-1
Chapteru16:uForecasting ............................................................................................................. 16-1
Chapteru17:uDecisionuAnalysis… .............................................................................................. 17-1
Chapteru18:uNonparametricuStatistics… ..................................................................................... 18-1
, CHAPTER 1 u
An Introduction to Business Statistics
u u u u
1.1 Quantitative/Interval.uTheudifferencesubetweenuaverageumonthlyutemperaturesuareu
meaningful,ubututhereuisunoutrueuzeroupoint,ui.e.,uabsenceuofutemperature.
1.2 Quantitative/Ratio.uTheudifferencesubetweenuaverageumonthlyurainfallsuareumeaningful,uandut
hereuisuautrueuzeroupoint,ubecauseuthereumayubeuaumonthuwithoutuanyurainfalls.
1.3 Qualitative/Ordinal.uYouucanurankueducationulevel,ubututheudifferencesubetweenudifferentu
educationalulevelsucannotubeumeasured.
1.4 Qualitative/Nominal.uTheumaritalustatusuisujustuaulabeluwithoutuaumeaningfuludifference,uorur
anking.
1.5 Quantitative/Ratio.uTheudifferencesubetweenuagesuofurespondentsuareumeaningfuluanduthere
isuautrueuzeroupoint:uanuageuofutheurespondentsuthatuequalsuzerourepresentsutheuabsenceuofuage.
1.6 Qualitative/Nominal.uTheugendersuareumerelyulabelsuwithunourankinguorumeaningfulu
difference.
1.7 Quantitative/Interval.uTheudifferencesubetweenubirthuyearsuareumeaningful,ubututhereuisunoutrueuz
eroupointuwithucalendaruyears.
1.8 Qualitative/uNominal.uTheupoliticaluaffiliationsuareumerelyulabelsuwithunourankinguoru
meaningfuludifference.
1.9 Qualitative/uNominal.uTheuracesuofutheurespondentsuareumerelyulabelsuwithunourankinguoru
meaningfuludifference.
1.10 Qualitative/uOrdinal.uYouucanurankutheuperformanceurating,ubututheudifferencesubetweenud
ifferentuperformanceuratingsucannotubeumeasured.
1.11 Qualitative/uNominal.uTheuuniformunumbersuofueachumemberuofutheuschool’susportuteamuareul
abelsuwithunourankinguorumeaningfuludifference.
1.12 Qualitative/ordinal.uTheudifferencesuinutheudatauvaluesubetweenuclassuranksuareunotu
meaningful.
, 1-2u Chapteru1
1.13 Quantitative/Ratio.uTheudifferencesubetweenufinaluexamuscoresuforuyourustatisticsuclass
areumeaningful,uanduthereuisuautrueuzeroupointubecauseuaustudentuwhoudidunotutakeutheuexamuwou
lduhaveuauscoreuofuzero.
1.14 Qualitative/Nominal.uTheustateuinuwhichutheurespondentsuinuausurveyuresideuisuaulabeluanduitui
sumeaninglessutoutalkuaboututheuratinguofuthisuvalue.
1.15 Quantitative/Interval.uTheudifferencesubetweenuSATuscoresuforugraduatinguhighuschoolustude
ntsuareumeaningful,ubututhereuisunoutrueuzeroupointubecauseuaustudentuwithuanuSATuscoreuequalut
ouzeroudoesunotuindicateutheuabsenceuofuauscore.
1.16 Qualitative/Ordinal.uYouucanurankumovieuratings,ubututheudifferencesubetweenu
differenturatingsucannotubeumeasured.
1.17 Qualitative/ordinal.uTheudifferencesuinutheudatauvaluesubetweenuratingsuareunotumeaningful.
1.18 Qualitative/ordinal.uTheudifferencesuinutheudatauvaluesubetweenuratingsuareunotumeaningful.
1.19 Cross-sectional
1.20 Timeuseries
1.21 Timeuseries:uMenuweeklyuearningsuoverutheufiveuyears.uTi
meuseries:uWomenuweeklyuearningsuoverutheufiveuyears.
1.22 Cross-sectionaludata:uMenuanduwomenuworkersuweeklyuearningsuforuanyuoneuparticularuyear.
1.23 Cross-sectional:uTheunumberuofu8x10,u11x14uandu13x19uprintsusolduoveruauparticularuyear.
1.24 Timeuseries:utheunumberuofu8x10uprintsusolduoverutheufouruyears.uT
imeuseries:utheunumberuofu11x14uprintsusolduoverutheufouruyears.uTi
meuseries:utheunumberuofu13x19uprintsusolduoverutheufouruyears.
1.25 Descriptiveustatistics,ubecauseuituidentifiesuausampleumean.
1.26 Inferentialustatistics,ubecauseutheustatementsuaboutucomparingutheuaverageucostsuofuauhotelur
oomuinutwoustatesuwasubaseduonuresultsufromusamplesutakenufromutwoupopulations.
