StatisticsforBusinessand Econom
g g g g
ics
Marcelo Fernandes
g
Download free books at
g g g
,Marcelo Fernandes
g
Statistics for Business and Economic
g g g g
s
Downloadgfreegebooksgatgbookboon.com
2
,StatisticsgforgBusinessgandgEconomics
©g2009gMarcelogFernandesg&gVentusgPublishinggApSgI
SBNg978-87-7681-481-6
Downloadgfreegebooksgatgbookboon.com
3
, StatisticsgforgBusinessgandgEconomics Contents
Contents
1. Introduction 6
1.1 Gatheringgdata 7
1.2 Dataghandling 8
1.3 Probabilitygandgstatisticalginference 9
2. Datagdescription 11
2.1 Datagdistribution 11
2.2 Typicalgvalues 13
2.3 Measuresgofgdispersion 15
3. Basicgprinciplesgofgprobability 18
3.1 Setgtheory 18
3.2 Fromgsetgtheorygtogprobability 19
4. Probabilitygdistributions 36
4.1 Randomgvariable 36
4.2 Randomgvectorsgandgjointgdistributions 53
4.3 Marginalgdistributions 56
4.4 Conditionalgdensitygfunction 57
4.5 Independentgrandomgvariables 58
4.6 Expectedgvalue,gmoments,gandgco-moments 60
Fast-
track g
Pleasegclickgthegadvert
g g g g g g
Designedgforggraduatesgwithglessgthangonegyeargofgfull-
timegpostgraduategworkgexperience,gLondongBusinessgSchool’sgMastersgingMana
gementgwillgexpandgyourgthinkinggandgprovidegyougwithgthegfoundationsgforgagsu
ccessfulgcareergingbusiness.
Thegprogrammegisgdevelopedgingconsultationgwithgrecruitersgtogprovidegyougwit
hgthegkeygskillsgthatgtopgemployersgdemand.gThroughg11gmonthsgofgfull-
timegstudy,gyougwillggaingthegbusinessgknowledgegandgcapabilitiesgtogincreaseg
LondongBusinessgSchool yourgcareergchoicesgandgstandgoutgfromgthegcrowd.
Regent’sgParkg Lond
ongNW1g4SAg United
gKingdom
Telg +44g (0)20g 7000g 7573
Downloadgfreegebooksgatgbookboon.com
4
g g g g
ics
Marcelo Fernandes
g
Download free books at
g g g
,Marcelo Fernandes
g
Statistics for Business and Economic
g g g g
s
Downloadgfreegebooksgatgbookboon.com
2
,StatisticsgforgBusinessgandgEconomics
©g2009gMarcelogFernandesg&gVentusgPublishinggApSgI
SBNg978-87-7681-481-6
Downloadgfreegebooksgatgbookboon.com
3
, StatisticsgforgBusinessgandgEconomics Contents
Contents
1. Introduction 6
1.1 Gatheringgdata 7
1.2 Dataghandling 8
1.3 Probabilitygandgstatisticalginference 9
2. Datagdescription 11
2.1 Datagdistribution 11
2.2 Typicalgvalues 13
2.3 Measuresgofgdispersion 15
3. Basicgprinciplesgofgprobability 18
3.1 Setgtheory 18
3.2 Fromgsetgtheorygtogprobability 19
4. Probabilitygdistributions 36
4.1 Randomgvariable 36
4.2 Randomgvectorsgandgjointgdistributions 53
4.3 Marginalgdistributions 56
4.4 Conditionalgdensitygfunction 57
4.5 Independentgrandomgvariables 58
4.6 Expectedgvalue,gmoments,gandgco-moments 60
Fast-
track g
Pleasegclickgthegadvert
g g g g g g
Designedgforggraduatesgwithglessgthangonegyeargofgfull-
timegpostgraduategworkgexperience,gLondongBusinessgSchool’sgMastersgingMana
gementgwillgexpandgyourgthinkinggandgprovidegyougwithgthegfoundationsgforgagsu
ccessfulgcareergingbusiness.
Thegprogrammegisgdevelopedgingconsultationgwithgrecruitersgtogprovidegyougwit
hgthegkeygskillsgthatgtopgemployersgdemand.gThroughg11gmonthsgofgfull-
timegstudy,gyougwillggaingthegbusinessgknowledgegandgcapabilitiesgtogincreaseg
LondongBusinessgSchool yourgcareergchoicesgandgstandgoutgfromgthegcrowd.
Regent’sgParkg Lond
ongNW1g4SAg United
gKingdom
Telg +44g (0)20g 7000g 7573
Downloadgfreegebooksgatgbookboon.com
4
