Suppose that there are 150 freshmen engineering majors at a college and each of them will take
Question:
a. Find the mean size of these 25 classes.
b. Find the mean class size from a student’s point of view, noting that each student has five classes containing 25, 25, 25, 25, and 150 students, respectively.
Are the means in parts a and b equal? If not, why not?
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