A goodness-of-fit test is to be performed to see if web surfers prefer any of four websites (A, B, C, and D)more than the other three.A sample of 60 consumers is used.What is the expected frequency for website A?
A)1/4
B)20
C)15
D)10
E)30

Question

Quizplus · Accepted Answer

Since there are four websites total, we would expect each website to be chosen 1/4 of the time if there is no preference. Therefore, the expected frequency for website A would be:
Expected frequency = (total sample size) x (expected proportion) = 60 x 1/4 = 15. So the best choice is C.

A Goodness-Of-Fit Test Is to Be Performed to See If