In chi-square goodness of fit, degrees of freedom = (number of categories - 1). In this case, 3 - 1 = 2.
Diana D.
asked 08/21/19The Chi-Square Distribution
You intend to conduct a goodness-of-fit test for a multinomial distribution with 3 categories. You collect data from 98 subjects.
What are the degrees of freedom for the χ2 distribution for this test?
d.f. = ________________
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