Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 S Nailee_08
Nailee_08 Statistics for BusinesN
S S saa nd
ilee_08
Economics
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
2
Nailee_08 Nailee_08
,Nailee_08 Nailee_08
StatisticsSforSBusinessSandSEconomics Contents
Nailee_08 Nailee_08
Contents
Nailee_08
1. Introduction Nailee_08 6
1.1 GatheringSdata 7
1.2 DataShandling 8
9
1.3 ProbabilitySandSstatisticalSinference Nailee_08
Nailee_08
2. DataSdescription 11
2.1 DataSdistribution 11
2.2 TypicalSvalues
13
Nailee_08
2 .3 MeasuresSofSdispersion Nailee_08 15
3. BasicSprinciplesSofSprobability 18
3.1 SetStheory 18
Nailee_08
3 .2 FromSsetStheoryStoSprobability Nailee_08 19
4. ProbabilitySdistributions 36
4.1 RandomSvariable 36
Nailee_08
4 .2 RandomSvectorsSandSjointSdistributions Nailee_08 53
4.3 MarginalSdistributions 56
4.4 ConditionalSdensitySfunction 57
4.5 IndependentSrandomSvariables 58
Nailee_08
4 .6 ExpectedSvalue,Smoments,SandSco-moments Nailee_08 60
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
4
Nailee_08 Nailee_08
,Nailee_08 Nailee_08
StatisticsSforSBusinessSandSEconomics Contents
Nailee_08
4.7 DiscreteSdistributions Nailee_08 74
4.8 ContinuousSdistributions 87
Nailee_08 5. RandomSsampling Nailee_08 95
5.1 SampleSstatistics 99
5.2 Large-sampleStheory 102
Nailee_08
Nailee_08
6. PointSandSintervalSestimation 107
6.1 PointSestimation 108
6.2 IntervalSestimation 121
Nailee_08
Nailee_08
7. HypothesisStesting 127
7.1 RejectionSregionSforSsampleSmeans 131
7.2 Size,Slevel,SandSpowerSofSaStest 136
7.3 InterpretingSp-values 141
142
Nailee_08
Nailee_08
7.4 Likelihood-basedStests
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
5
Nailee_08 Nailee_08
,Nailee_08 Nailee_08
StatisticsSforSBusinessSandSEconomics Introduction
Nailee_08Chapter 1 S
Nailee_08
Nailee_08Introduction Nailee_08
Nailee_08 Nailee_08
ThisS compendiumS aimsS atS providingS aS comprehensiveS overviewS ofS theS mainS topicsS thatS ap-
pearSinSanySwell-structuredScourseSsequenceSinSstatisticsSforSbusinessSandSeconomicsSatSthe
Nailee_08undergraduate and MBA levels. The idea is to supplemeN
S nta
Seiitlhe
ere
Sfo_rm
0a8l or informal statistic
S S S S S S S S
textbooksS suchS as,S e.g.,S “BasicS StatisticalS IdeasS forS Managers”S byS D.K.S HildebrandS andS R.L.
Nailee_08Ott and “The Practice of Business Statistics:
S S S S S S S NataaSifloerSeD_ec0isi8ons”S byS D.S.S Moore,
UsingS D
G.P.S McCabe,S W.M.S DuckworthS andS S.L.S Sclove,S withS aS summaryS ofS theoryS asS wellS asS with
Nailee_08a couple of extra examples. In what follows, we set thN
S S S S
ailee_08
e road map for this compendium by d
S S S S S S S S S S
escribingS theS mainS stepsS ofS statisticalS analysis.
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
Nailee_08 Nailee_08
6
Nailee_08 Nailee_08