If the results of a study using the chi-square goodness-of-fit test are summarized as χ2 (4, N = 120) = 25.95, p

Question

If the results of a study using the chi-square goodness-of-fit test are summarized as χ2 (4, N = 120) = 25.95, p < .05, then you would know that.
A)five categorizations of responses were used
B)four categorizations of responses were used
C)three categorizations of responses were used
D)a 2 × 2 contingency table was used

Quizplus · Accepted Answer

The degrees of freedom (df) in a chi-square goodness-of-fit test is calculated as the number of categories minus one. Here, df = 4, which means there were 5 categories (4 + 1 = 5).

If the Results of a Study Using the Chi-Square Goodness-Of-Fit