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# Calculate the upper value (limit) in the confidence interval estimate of the difference between the means of two populations where the mean is 15.

Calculate the upper value (limit) in the confidence interval estimate of the difference between the means of two populations where the mean is 15.3 for a sample of 16 from the first population with a corresponding sample standard deviation of 3.0, the mean is 15.7 from a sample of 17 from the second population with a corresponding sample standard deviation of 3.8, and the level of significance is 0.07. Use the critical value of t to four decimals, as shown in the table in the textbook, and enter your response (final answer) to two decimals (i.e. -2.12). We are assuming the populations are normally distributed, that they have equal variances, and that the samples are independent.

Calculate the upper value (limit) in the confidence interval estimate of the difference between the means of two populations where the mean is 15.3 for a sample of 16 from the first population with...