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Suppose we have taken independent, random samples of sizes n 1 = 7 and n 2 = 7 from two normally distributed populations having means
Suppose we have taken independent, random samples of sizes n1 = 7 and n2 = 7 from two normally distributed populations having means 1 and 2, and suppose we obtain x1x1 = 240, x2x2 = 210, s1 = 5, s2 = 6.
Assuming equal variances calculate a 95 percent confidence interval for 1 2. Can we be 95 percent confident that 1 2 is greater than 20?(Round your answers to 3 decimal places.)
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