To determine the effects of a new drug on memory, one group of people is given a pill that contains the drug. a second group is given a sugar pill that does not contain the drug. this second group constitutes the

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For each of the following examples of data, determine which scale of measurement is used. a) the number of miles joggers run per week. b) the starting salaries of graduates of mba programs c) the months in which a firm's employees choose to take their vacations. d) the final letter grades received by students in a math course.

Acase study allows a more detailed look at the life of a single subject than any other study