©2012 wiskundeleraar.nl

antwoorden

Wasmiddelenfabrikant

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aantal pakken

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1

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2

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3

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4

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5

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6

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frequentie

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6

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3

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5

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5

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4

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3

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26

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cum. Freq.

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-

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9

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14

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19

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23

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26

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6

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6

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15

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20

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20

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18

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85

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gemiddelde

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3,3

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modus

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1

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mediaan

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3

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percentage ondergewicht

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11,3

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verwachting

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424

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