The expected frequency of a category is given by = np where n is the sample size and p is the probability that an element belongs to that category...

7. The expected frequency of a category is given by Ε = np where n is the sample size and p is the

        probability that an element belongs to that category if the null hypothesis is true. The           

        ________ for a goodness–of–fit test are k – 1, where k denotes the number of possible

        outcomes (or categories) for the experiment.

A.   Number of observations

B.    Degrees of freedom

C.    Total population