correlation and regression

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Page 1: Correlation and Regression
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FatheFatherr

Son Son

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MotheMother r

FatheFather r

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V1V1

V2V2

V3V3

V4V4

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V1V1

V2V2

V3V3

V4V4

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X X Y Y

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X X Y Y

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HH HH

OO

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NN NN

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PerfePerfect ct

PartiPartialal

RelatiRelationshiponship

s s

(+) (+) (-) (-) (+) (+) (-) (-)

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ManuaManual l

AutoAutomatemate

dd

CalculCalculate r ate r

EquatEquation ion Excel Excel CalculCalcul

atorator

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])(][)([

)(2222 yynxxn

yxxynr

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r = r = 0 0

r = r = -1 -1

r = r = +1 +1

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r = r = 0 0

r = r = -1 -1

r = r = +1 +1

PerfePerfect ct (-)(-)

PerfePerfect ct (+)(+)

UncorrUncorrelated elated

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r = r = 0 0

r = r = -1 -1

r = r = +1 +1

PartiPartial al (-)(-)

PartiPartial al (+)(+)

PerfePerfect ct (-)(-)

PerfePerfect ct (+)(+)

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r = r = 0 0

r = r = -1 -1

r = r = +1 +1

r = r = +0.8+0.8

r = r = +0.2+0.2

Very Very stronstron

gg

Very Very weakweak

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r = r = +0.2+0.2

Very Very stronstron

gg

r = r = +0.8+0.8

Very Very weakweak

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CorreCorrelation lation

FuturFuturistic istic

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if if stronstron

ggContiContinuity nuity

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IndepIndependenenden

tt

DepenDependentdent

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])([

))((22 xxn

yxxynb

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xbya

n

xx

n

yy

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FatheFatherr

Son Son

smoksmokes es ??

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alwayalways %s %

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FatFatherher

MeMediadia

SonSon

PeePeersrs

Role Role ModelModel

ss

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DepeDependent ndent

IndepIndependenenden

t t

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Father Father = 65%= 65%

Others Others = 35%= 35%

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