A Market Research Manager Wishes to Verify That a Set

A market research manager wishes to verify that a set of nominal data follows an expected pattern. Which test is appropriate in this situation?

A) a t-test if there are less than 30 observations and a z-test if there are more than 30 observations
B) Kolmogorov-Smirnov test
C) Chi-square goodness-of-fit test
D) F-test
E) None of the above is appropriate.