Another way to explain the results of Exercise 13.64 is to look at the differences in the
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Another way to explain the results of Exercise 13.64 is to look at the differences in the number of hours of work.
a. Is there sufficient evidence to infer that Conservatives work longer hours than Liberals (POLVIEWS3: 1 = Liberal, 3 = Conservative) (HRS1)?
b. Are the required conditions satisfied?
c. If the required conditions are not satisfied, what other technique should be used?
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