Question: 10.39 Two independent random samples resulted in the following: Sample 1: n1 12, s2 1 190 Sample 2: n2 18, s2 2

10.39 Two independent random samples resulted in the following:

Sample 1: n1  12, s2 1  190 Sample 2: n2  18, s2 2  150 Find the estimate for the standard error for the difference between two means.

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