Question: A second investigator repeated the experiment described in Exercise 7.42 and obtained the same results. However, she thought that it would be more appropriate to

A second investigator repeated the experiment described in Exercise 7.42 and obtained the same results. However, she thought that it would be more appropriate to record the data in terms of minutes per problem (e.g., 4 problems in 10 minutes 5 10/4 5 2.5 minutes/problem).

Thus, her data were:

Innate ability: 2.50 2.00 1.25 3.33 1.43 Time-fi lling task: 0.91 1.67 1.11 1.43 1.11 Analyze and interpret these data with the appropriate t test.

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