For each of the following examples, state whether the chi-square goodness-of-fit test or the chi-square test for independence is appropriate.
(a) A study concerning the number of individuals who prefer one of four career options
(b) A study concerning the frequency of aberrant behavior among high school freshmen, sophomores, juniors, and seniors
(c) A study testing the relationship between the frequency of intimacy (low, high) and personality type (extravert, introvert)