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Provided below are summary statistics for independent simple random samples from two populations. Use the pooled t-test and the pooled t-interval procedure to conduct the

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Provided below are summary statistics for independent simple random samples from two populations. Use the pooled t-test and the pooled t-interval procedure to conduct the required hypothesis test and obtain the specified confidence interval. X1 = 21, S, = 4, n, = 10, X2 = 20, $2 = 3, n2 = 14 a. Right-tailed test, a = 0.05 b. 90% confidence interval

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