Question: In Example 11.11 (p. 427), we compared the time in seconds to cross an intersection when someone was or was not staring at the driver.

In Example 11.11 (p. 427), we compared the time in seconds to cross an intersection when someone was or was not staring at the driver. We did not assume equal population variances. Following is the Minitab (Version 16) output that resulted from clicking “Assume Equal Variance.”

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