Setting Up a Chi-Square Test for Homogeneity or Independence

AP Statistics· difficulty 2/5

A researcher tests whether eye color and dominant hand are independent in a single random sample.

Which is the correct null hypothesis?

A
$Distributions of hand are the same across eye colors$
B
$There is an association$
C
$Eye color and hand are independent$
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D
$All eye colors are equally likely$

Explanation

For a chi-square test of independence with one sample, H0 states the two variables are independent (no association).

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