A researcher selects a pair of random samples. In Group 1 the scores are 12, 6, 9, 10, 8, 7. In Group 2, the scores are, 10, 4, 7, 8, 7, 6. 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 12, 6, 9, 10, 8, 7. In Group 2, the scores are, 10, 4, 7, 8, 7, 6. Find the standard error of difference.

A Researcher Selects a Pair of Random Samples