Question: 10.40 Two independent random samples resulted in the following: Sample A: nA 24, sA 8.5 Sample B: nB 21, sB 11.3

10.40 Two independent random samples resulted in the following:

Sample A: nA  24, sA  8.5 Sample B: nB  21, sB  11.3 Find the estimate for the standard error for the difference between two means.

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