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Statestik > Metod B > Flashcards

Metod B Flashcards

1
Q

Centralmått/lägesmått

A

Typvärden
Median
Medelvärde

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2
Q

Typvärden

A

Vanligaste värdet

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3
Q

Median

A

Neder/övre kvartil 25% upp o ner från median
Kvanttillstånd Skillnad mellan övre och under
Variansvid / range Skillnad mellan minsta o högsta värdet

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4
Q

Medelvärde

A

Avvikelse
Summa av avvikelser
squar avvikelser
Varians
Standardavvikelsen
z-värde

SE (standard error)
KI (konfidensintervall)

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5
Q

Avvikelse

A
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6
Q

Summa av avvikelser

A
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7
Q

squar avvikelser

A
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8
Q

Varians

A
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9
Q

SE (standard error)

A
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10
Q

KI (konfidensintervall)

A
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11
Q

T-test (hypotesprövning)

A

Att två gruppers medelvärden inte ligger inom konfidensintervallet för den andra gruppen. Vi frå t värde som omvandlas i. tabell till p värde (antal deltagare påverkar). (m1-m2)/stickprovets osäkerhet

H0
H1
Oberoende t-test
typ 1 fel alfa
beta typ fel 2
power
Efektstorlek

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12
Q

Ho

A
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13
Q

H1

A
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14
Q

Oberoende t-test

A
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15
Q

Fel

A

typ 1 fel alfa
beta typ fel 2
power

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16
Q

Efektstorlek

A

Statestik (3 decks)

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