APFIVE Properties of the Chi-Square Goodness-of-Fit Test
Consider the following statements regarding the chi-square goodness-of-fit test.
I. For a categorical variable with 5 categories, the degrees of freedom for the test are $$5 - 1 = 4$$.
II. A necessary condition for the test is that all expected counts must be at least $$5$$.
III. The test uses the $$t$$-distribution to determine critical values.
Which of the statements is/are true?
A
I, II, and III
B
I only
C
I and II only
D
II and III only
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