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8/18/2019 BUS 308 HELPS Learn by Doing/bus308helps.com

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BUS 308 HELPS Learn byDoing/bus308helps.com


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BUS 308 HELPS Learn by Doing

BUS 308 Entire Course (Ash Course)

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BUS 308 Week 1 Assignment Problems 1.2, 1.17, 3.3 & 3.22BUS 308 Week 1 DQ 1 Perform n!e "e#ortBUS 308 Week 1 DQ 2 $%e m#iri! l "'le (s. )%eb*s%e( $%eoremBUS 308 Week 1 Q'i+ 10 -)QBUS 308 Week 2 Assignments Problems /./, /.20, .12, .22BUS 308 Week 2 DQ 1 "el ti(e re 'en!*BUS 308 Week 2 DQ 2 A##li! tions for Prob bilit*BUS 308 Week 2 Q'i+ 10 -)Q

BUS 308 Week 3 Assignments Problems 7.11, 7.30, 8.8, 8.38

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BUS 308 Week 1 ! 1 "#n$u#$eFOR MORE CLASSES VISIT

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Dis!'ssion 14156 ng' ge 'mbers n me s'rements re t%e l ng' ge of b'siness.9rg ni+ tions look t res'lts in m n* : *s; e


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BUS 308 Week 1 ! % &rob#bilit'FOR MORE CLASSES VISIT

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$%ings ( r* in life @ (irt' ll* not%ing e ! n get

: * :it% s#ee ing. An em#iri! l #rob bilit* e< m#le is; !% #ro '!tion r'n% s C re?e!t r te. A !l ssi! l or t%eoreti! l #rob bilit* e< m#le is; $%is ie% s si< si es, so > s%o'l see t%e n'mber 2 !ome '# 15 t% of t%e time. W% t resome e< m#les of #rob bilit* o't!omes in *o'r :ork or life= o: :o'l looking

t t%em in terms of #rob bilities %el# 's 'n erst n :% t is going on= o: oest%e norm l !'r(e rel te to !ti(ities5t%ings *o' re sso!i te :it%=

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BUS 308 Week 1 &roblem SetFOR MORE CLASSES VISIT

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1. or ssist n!e :it% t%ese ! l!'l tions, see t%e "e!ommen e "eso'r!es for Week9ne. -e s'rement iss'es. D t , e(en n'meri! ll* !o e ( ri bles, ! n be one of /le(els @ nomin l, or in l, inter( l, or r tio. >t is im#ort nt to i entif* :%i!% le(el ( ri ble is, s t%is im# !ts t%e kin of n l*sis :e ! n o :it% t%e t . ore< m#le, es!ri#ti(e st tisti!s s'!% s me ns ! n onl* be one on inter( l or r tiole(el t . Ple se list, 'n er e !% l bel, t%e ( ri bles in o'r t set t% t belong ine !% gro'#..

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BUS 308 Week 1 !ui ( ew)FOR MORE CLASSES VISIT

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1. Q'estion ; >n st tisti! l not tion, - is to E s s is to F. Q'estion 2. Q'estion ; A

# r meter refers to s m#le !% r !teristi!. Q'estion 3. Q'estion ; D t on t%e !it*from :%i!% members of bo r of ire!tors !ome re#resent inter( l t . Q'estion/. Q'estion ; >n fre 'en!*

istrib'tion s'!% s bell4s% #e !'r(e, :% t oes t%e (erti! l %eig%t of t%e !'r(ein i! te=

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BUS 308 Week 1 !ui


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1. Q'estion ; D t on t%e !it* from :%i!% members of bo r of ire!tors

!ome re#resent inter( l t . 2. Q'estion ; >nferenti l st tisti!s infer t%e !% r !teristi!s of s m#les. 3. Q'estion ; $%e mo e is :%i!% of t%e follo:ing= /. Q'estion ; $%e st n r error of t%e me n ! n be ! l!'l te b* i(i ing E

b* t%e s ' re root of t%e n'mber of ( l'es in t%e istrib'tion.

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BUS 308 Week % ! 1 *'potheses


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Dis!'ssion 2415 *#ot%eses W% t is %*#ot%esis test= W%* o :e nee to 'se t%em tom ke e!isions bo't rel ting s m#le res'lts to t%e #o#'l tionG :%* ! nHt :e ?'stm ke o'r e!isions b* t%e s m#le ( l'e=

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BUS 308 Week % ! % +#ri#tion


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I ri tion e


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BUS 308 Week % &roblem Set


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Problem Set Week $:o )om#lete t%e #roblems belo: n s'bmit *o'r :ork in n

n!l' e in t%e Week $:o t b oft%e m#lo*ee S l r* D t Set re 2 one4s m#le t4tests !om# ring m le n fem le

(er ge s l ries to t%e o(er ll s m#le me n. 1. Belo: re 2 one4s m#le t4test!om# ring m le n fem le (er ge s l ries to t%e o(er ll s m#le me n. B se ono'r s m#le, %o: o *o' inter#ret t%e res'lts n :% t o t%ese res'lts s'ggest

bo't t%e #o#'l tion me ns for m le n fem le s l ries=

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BUS 308 Week % !ui ( ew)


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Q'estion ; W% t is t%e rel tions%i# bet:een t%e #o:er of st tisti! l test n e!ision

errors= Q'estion 2. Q'estion ; $%e esire s m#le e#en s on ll of t%ese f !torse

teste . Q'estion . Q'estion ; !% ifferent t4 istrib'tion is efine b* :%i!% oft%e follo:ing= Q'estion . Q'estion ; W% t is t%e ltern te %*#ot%esis in #roblem:%ere s les gro'# t:o is #re i!te to be . . . signifi! ntl* less #ro '!ti(e t% ns les gro'# one=



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BUS 308 Week % !ui


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1. Q'estion ; o: is t%e s'm of s ' res 'nlike eit%er t%e st n r e(i tion

or t%e ( ri n!e= 2. Q'estion ; >f s'ms of s ' res st tisti!s re ! l!'l te for s%o##ers t t%ree

ifferent ret il o'tlets, :% t st tisti! :ill in i! te t%e ( ri bilit* mong t%ose te !% o'tlet=

3. Q'estion ; W%i!% is t%e s*mbol 'se for t%e test st tisti! in A 9IA= /. Q'estion ; >f A 9IA re(e ls t% t fo'r ifferent e# rtments % (e

signifi! ntl* ifferent le(els of #ro '!ti(it*, :% t :ill #ost4%o! test in i! te=

. Q'estion ; $%e in e#en ent t4test is b se on :%i!% istrib'tion=



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BUS 308 Week 3 ! 1 A ,+A


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>n m n* : *s, !om# ring m'lti#le s m#le me ns is sim#l* n e

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BUS 308 Week 3 ! % E--ect Si e


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Se(er l st tisti! l tests % (e : * to me s're effe!t si+e. W% t is t%is, n :%en

mig%t *o' : nt to 'se it in looking t res'lts from t%ese tests on ?ob rel te t =

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BUS 308 Week 3 &roblem Set


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ASS>K - $ W L 3 )om#lete t%e #roblems belo: n s'bmit *o'r :ork in n

All st tisti! l ! l!'l tions :ill 'se t%e ote; Q'estions 14 / % (e ition lelements to res#on to belo: t%e n l*sis res'lts. 1. 6 st :eek, :e fo'n t% t t%e

(er ge #erform n!e r tings o not iffer bet:een m les n fem les in t%e #o#'l tion. o: :e nee to see if t%e* iffer mong t%e gr es. >s t%e (er ge #erform n!e r ting t%e s me for ll gr es= Ass'me ( ri n!es re e ' l !ross t%egr es for t%is A 9IA.



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BUS 308 Week ! 1 Con-i/ence nter #ls


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Dis!'ssion /415)onfi en!e >nter( ls - n* #eo#le o not like or tr'st single #ointestim tes for t%ings t%e* nee me s're . 6ooking b !k t t%e t e< m#les *o'% (e #ro(i e in t%e #re(io's is!'ssion 'estions on t%is iss'e, %o: mig%t ing!onfi en!e inter( ls %el# m n gers !!e#t t%e res'lts better= W%*= Ask m nger

in *o'r org ni+ tion if t%e* :o'l #refer single #oint estim te or r nge forim#ort nt me s'res, n :%*= Ple se s% re :% t t%e* s *.

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BUS 308 Week ! % Chi2S u#re 4ests


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Dis!'ssion /425)%i4S ' re $ests )%i4s ' re tests re gre t to s%o: if istrib'tions

iffer or if t:o ( ri bles inter !t in #ro '!ing o't!omes. W% t re some e< m#lesof ( ri bles t% t *o' mig%t : nt to !%e!k 'sing t%e !%i4s ' re tests= W% t :o'l

t%ese res'lts tell *o'=

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BUS 308 Week &roblem Set


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ASS>K - $ W L / 6etHs look t some ot%er f !tors t% t mig%t infl'en!e # *.)om#lete t%e #roblems belo: n s'bmit *o'r :ork in n

inter( l for t%e #o#'l tionNs me n s l r* for e !% gen er. >nter#ret t%e res'lts. o:o t%e* !om# re :it% t%e fin ings in t%e :eek 2 one s m#le t4test o't!omesQ'estion 1 =



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BUS 308 Week !ui ( ew)


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1. Q'estion ; $%e goo ness of fit test n'll %*#ot%esis st tes t% t t%e s m#le t oes

not m t!% n e


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BUS 308 Week !ui


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1. Q'estion ; Wit% referen!e to #roblem 1, :% t st tisti! etermines t%e

!orrel tion of en #roblem :%ere interest r tes n gro:t% of t%e e!onom* re

'se to #re i!t !ons'mer s#en ing, :%i!% of t%e follo:ing :ill in!re se #re i!tionerror=

3. Q'estion ; Wit% referen!e to #roblem 3, %o: is t%e regression !onst nt ort%e ( l'e inter#rete =



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BUS 308 Week 5 ! 1 Correl#tion


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Dis!'ssion 415)orrel tion W% t res'lts in *o'r e# rtments seem to be !orrel te orrel te to ot%er !ti(ities= o: !o'l *o' (erif* t%is= )re te n'll n ltern te%*#ot%esis for one of t%ese iss'es. W% t re t%e m n geri l im#li! tions of !orrel tion bet:een t%ese ( ri bles=

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BUS 308 Week 5 ! % 6e$ression


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Dis!'ssion 425"egression At times :e ! n gener te regression e ' tion to e


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BUS 308 Week 5 7in#l per (% pers)


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$%is t'tori l !ont ins 2 Different P #ers $%e fin l # #er #ro(i es *o' :it% n

o##ort'nit* to integr te n refle!t on :% t *o' % (e le rne 'ring t%e !l ss. $%e'estion to ress is; W% t % (e *o' le rne bo't st tisti!s= >n e(elo#ing

*o'r res#onses, !onsi er @ t minim'm @ n is!'ss t%e ##li! tion of e !% of

t%e !o'rse elements in n l*+ing n m king e!isions bo't t !o'nts n 5orme s'rements . $%e !o'rse elements in!l' e; O Des!ri#ti(e st tisti!s O >nferenti lst tisti!s O *#ot%esis e(elo#ment n testing O Sele!tion of ##ro#ri te st tisti! ltests O

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BUS 308 Week 5 &roblem Set


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ASS>K - $ W L 1. )re te !orrel tion t ble for t%e ( ri bles in o'r Use

n l*sis $oolP k or St tPl's;m ! 6 f'n!tion )orrel tion . . "e(ie:ing t%e tle(els from :eek 1, :% t ( ri bles ! n be 'se in Pe rsonHs )orrel tion $ ble

:%i!% is :% t

( l'es, :% t ( ri bles re signifi! ntl* rel te to s l r*= $o !om# = . 6ooking tt%e bo(e !orrel tions @ bot% signifi! nt or not @ re t%ere n* s'r#rises @ b* t% t >me n n* rel tions%i#s *o' e


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bus 308 helps learn by doing/bus308helps.com

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