A researcher selects a pair of random samples. In Group 1 the scores are 20, 14, 16, 18, 16, 15, 14. In Group 2 the scores are 23, 20, 21, 24, 18, 22, 24, 22, 20, 20. Find the standard error of difference.

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The Answer of A researcher selects a pair of random samples. In Group 1 the scores are 20, 14, 16, 18, 16, 15, 14. In Group 2 the scores are 23, 20, 21, 24, 18, 22, 24, 22, 20, 20. Find the standard error of difference.

A Researcher Selects a Pair of Random Samples