Table 14 summarizes the number of Ph.D. degrees awarded at two universities during the past 25 years. For example, three Ph.D. degrees were awarded at University A during 5 of the last 25 years.

(a) Find the population mean and standard deviation for the number of degrees awarded each year at each university.
(b) Which university produces more Ph.D.'s per year on average?
(c) Which university produces more consistent numbers of Ph.D.'s per year?

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Table 14 University A University B Number of Number of Number of Number of Degrees Degrees Years Years 5 3 5 4 4 10 8. 5 2 6. 3 1 0. 8. 2.