Use the confidence interval approach to an independent samples…Use the confidence interval approach to an independent samples t-test (a=.05) to calculate the upper bound on a confidence interval (where: sample 1- sample 2), when: for sample #1, mean = 13, SS= 445, N=155; for sample #2, mean= 11, SS= 439, N=81 MathStatistics and Probability PSYCH 201
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