a A statistics class has 42 students. Which of the following is in the form of frequency data? A) The mean on the midterm exam is 72.4. B) 34 students like the course and 8 students dislike it. C) Both of the above D) Neither of the above @A statistics class has 42 students. The instructor wishes to test the hypothesis that the number of students who like the course is equal to the number of students who dislike the course. If using the chi square test, what are the appropriate expected frequencies? A) 21 and 21 B) 50 and 50 C) 28 and 14 D) None of the above