Question: Refer to Exercise 11.2. Suppose that we collected additional data and had two more subjects in the Younger group, with scores of 13 and 15.

Refer to Exercise 11.2. Suppose that we collected additional data and had two more subjects in the Younger group, with scores of 13 and 15.

a. Rerun the analysis of variance.

b. Run an independent groups t test without pooling the variances.

c. Run an independent groups t test after pooling the variances.

d. For

(b) and (c), which of these values of t corresponds (after squaring) to the F in (a)?

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