Symboler Flashcards

1
Q

T

A

typvärde

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2
Q

Md

A

median

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3
Q

µ

A

medelvärde för population

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4
Q

Σ

A

summa

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5
Q

n

A

totala antalet observationer i stickprovet

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6
Q

N

A

totalen för hela populationen

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7
Q

i

A

index, nummer på våra observationer

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8
Q

q

A

kvartil

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9
Q

A

medelvärde för stickprov

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10
Q

σ²

A

varians för population

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11
Q

A

varians för stickprov

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12
Q

σ

A

standardavvikelse för population

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13
Q

s

A

standardavvikelse för stickprov

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14
Q

z

A

z-poäng, standardpoäng

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15
Q

r

A

korrelationskoefficienten för stickprov

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16
Q

ρ

A

korrelationskoefficienten för populationen

17
Q

H1

A

Alternativhypotes

18
Q

H0

A

Nollhypotes

19
Q

α

A

alfanivå

20
Q

p

A

sannolikhet

21
Q

t

A

t-fördelning

22
Q

d

A

Cohens effektstyrka

23
Q

df

A

frihetsgrader

24
Q

SS b/w

A

kvadratsumma inom/mellan

25
Q

MS b/w

A

mellangruppsvariation inom/mellan

26
Q

B1 / b1

A

Regressionskoefficienten

27
Q

B0 / b0

A

Intercept/skärningspunkt

28
Q

ŷ

A

Den anpassade regressionslinjen (stickprov)

29
Q

v

A

Variationskoefficient