Week 4 Flashcards

1
Q

Linksscheef (negative skew)

A

De piek zit aan de rechterkant

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2
Q

Rechtsscheef (positive skew)

A

De piek zit aan de linkerkant

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3
Q

Puntigheid in een grafiek

A
  1. Platy
  2. Meso
  3. Lepto
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4
Q

Centrummaten

A

Modus
Mediaan
Gemiddelde

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5
Q

Spreidingsmaten

A

Standaarddeviatie
Bereik / range
Variantie
Sum of squared errors

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6
Q

Type 1 fout

A

Er vanuit gaan dat er wel een effect is, terwijl deze er niet is

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7
Q

Type 2 fout

A

Er vanuit gaan dat er geen effect is, terwijl er wel een effect is.

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8
Q

Parametrische toets

A

interval / ratio
normaal verdeeld

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9
Q

non parametrische toets

A

nominaal / ordinaal
vrije verdeling

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10
Q

Univariate toets

A

Data reductie / samenvatten

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11
Q

Bivariate toets

A

Verbanden tussen 2 variabelen

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12
Q

Centrummaten + meetniveaus

A

Nominaal -> modus
Ordinaal -> mediaan
interval/ratio -> gemiddelde

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13
Q

centrummaten + spreidingsmaten

A

Modus -> geen
Mediaan -> bereik
Gemiddelde -> standaarddeviatie

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