The degrees of freedom for a chi-square goodness-of-fit test are ______. Group of answer choices a. k - 1 b. n - 1 c. ( k 1 – 1)( k 2 – 1) d. (k - 1)(n - 1)
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Step 1
The degrees of freedom for this test are determined by the number of categories or groups (k) we are considering. However, we lose one degree of freedom because the total frequency is fixed (the sum of all observed frequencies is a constant). Show more…
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