In performing a chi-square goodness of fit test for a normal distribution,if there are 7 intervals,then the degrees of freedom for the chi-square statistic is ______________.
A)7
B)3
C)4
D)6

Question

Quizplus · Accepted Answer

For a chi-square goodness of fit test with k intervals, the degrees of freedom for the chi-square statistic is given by (k - 1). Therefore, for 7 intervals, the degrees of freedom would be (7 - 1) = 6. Hence, the correct option is (C).

In Performing a Chi-Square Goodness of Fit Test for a Normal