StatisticsforBusinessand Econom
J J J J
ics
Marcelo Fernandes
J
Downloadfree booksat
J J J
,Marcelo Fernandes
J
Statistics for Business and Economic
J J J J
s
DownloadJfreeJebooksJatJbookboon.com
2
,StatisticsJforJBusinessJandJEconomics
©J2009JMarceloJFernandesJ&JVentusJPublishingJApSJIS
BNJ978-87-7681-481-6
DownloadJfreeJebooksJatJbookboon.com
3
, StatisticsJforJBusinessJandJEconomics Contents
Contents
1. Introduction 6
1.1 GatheringJdata 7
1.2 DataJhandling 8
1.3 ProbabilityJandJstatisticalJinference 9
2. DataJdescription 11
2.1 DataJdistribution 11
2.2 TypicalJvalues 13
2.3 MeasuresJofJdispersion 15
3. BasicJprinciplesJofJprobability 18
3.1 SetJtheory 18
3.2 FromJsetJtheoryJtoJprobability 19
4. ProbabilityJdistributions 36
4.1 RandomJvariable 36
4.2 RandomJvectorsJandJjointJdistributions 53
4.3 MarginalJdistributions 56
4.4 ConditionalJdensityJfunction 57
4.5 IndependentJrandomJvariables 58
4.6 ExpectedJvalue,Jmoments,JandJco-moments 60
Fast-
track J
PleaseJclickJtheJadvert
J J J J J J
DesignedJforJgraduatesJwithJlessJthanJoneJyearJofJfull-
timeJpostgraduateJworkJexperience,JLondonJBusinessJSchool’sJMastersJinJMana
gementJwillJexpandJyourJthinkingJandJprovideJyouJwithJtheJfoundationsJforJaJsu
ccessfulJcareerJinJbusiness.
TheJprogrammeJisJdevelopedJinJconsultationJwithJrecruitersJtoJprovideJyouJwit
hJtheJkeyJskillsJthatJtopJemployersJdemand.JThroughJ11JmonthsJofJfull-
timeJstudy,JyouJwillJgainJtheJbusinessJknowledgeJandJcapabilitiesJtoJincreaseJ
LondonJBusinessJSchool yourJcareerJchoicesJandJstandJoutJfromJtheJcrowd.
Regent’sJParkJ Lond
onJNW1J4SAJ United
JKingdom
TelJ +44J (0)20J 7000J 7573
DownloadJfreeJebooksJatJbookboon.com
4
J J J J
ics
Marcelo Fernandes
J
Downloadfree booksat
J J J
,Marcelo Fernandes
J
Statistics for Business and Economic
J J J J
s
DownloadJfreeJebooksJatJbookboon.com
2
,StatisticsJforJBusinessJandJEconomics
©J2009JMarceloJFernandesJ&JVentusJPublishingJApSJIS
BNJ978-87-7681-481-6
DownloadJfreeJebooksJatJbookboon.com
3
, StatisticsJforJBusinessJandJEconomics Contents
Contents
1. Introduction 6
1.1 GatheringJdata 7
1.2 DataJhandling 8
1.3 ProbabilityJandJstatisticalJinference 9
2. DataJdescription 11
2.1 DataJdistribution 11
2.2 TypicalJvalues 13
2.3 MeasuresJofJdispersion 15
3. BasicJprinciplesJofJprobability 18
3.1 SetJtheory 18
3.2 FromJsetJtheoryJtoJprobability 19
4. ProbabilityJdistributions 36
4.1 RandomJvariable 36
4.2 RandomJvectorsJandJjointJdistributions 53
4.3 MarginalJdistributions 56
4.4 ConditionalJdensityJfunction 57
4.5 IndependentJrandomJvariables 58
4.6 ExpectedJvalue,Jmoments,JandJco-moments 60
Fast-
track J
PleaseJclickJtheJadvert
J J J J J J
DesignedJforJgraduatesJwithJlessJthanJoneJyearJofJfull-
timeJpostgraduateJworkJexperience,JLondonJBusinessJSchool’sJMastersJinJMana
gementJwillJexpandJyourJthinkingJandJprovideJyouJwithJtheJfoundationsJforJaJsu
ccessfulJcareerJinJbusiness.
TheJprogrammeJisJdevelopedJinJconsultationJwithJrecruitersJtoJprovideJyouJwit
hJtheJkeyJskillsJthatJtopJemployersJdemand.JThroughJ11JmonthsJofJfull-
timeJstudy,JyouJwillJgainJtheJbusinessJknowledgeJandJcapabilitiesJtoJincreaseJ
LondonJBusinessJSchool yourJcareerJchoicesJandJstandJoutJfromJtheJcrowd.
Regent’sJParkJ Lond
onJNW1J4SAJ United
JKingdom
TelJ +44J (0)20J 7000J 7573
DownloadJfreeJebooksJatJbookboon.com
4
