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Setting Up a Chi-Square Test for Homogeneity or Independence

AP Statistics· difficulty 4/5

χ² test of independence df =

  • A

    (r − 1)(c − 1)

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  • B

    n − 1

  • C

    rc − 1

  • D

    r + c − 2

Explanation

df = (rows − 1)(columns − 1).

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AP Statistics · Setting Up a Chi-Square Test for Homogeneity or Independence Practice Question | Acemy