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(Solved): The accompanying table contains two samples that were collected as matched pairs. Complete parts (a ...
The accompanying table contains two samples that were collected as matched pairs. Complete parts (a) and (b) below Click the icon to view the data table. Click the icon to view a portion of the Student's t-Distribution table. a) Construct a confidence interval to estimate the difterence in moans between the populations from which Sample 1 and 2 were drawn. The differonce is defined as Sample 1 - Sample 2.
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Expert Answer
To construct a 95% confidence interval to estimate the difference in means between the populations from which Sample 1 and 2 were drawn, we can use the formula:(point estimate) ± (critical value) * (standard error)where the point estimate is the difference in means between the two samples (Sample 1 - Sample 2), the critical value is obtained from the t-distribution with n1 + n2 - 2 degrees of freedom and a 95% confidence level, and the standard error is calculated as:where s1 and s2 are the sample standard deviations and n1 and n2 are the sample sizes.