Bakery A X1 = 1872 cal Construct a 95% confidence interval for u, - 42 with the sample statistics for mean Bakery B X2 = 1705 cal calorie content of two bakeries' specialty pies and confidence interval construction formula below. Assume the populations are approximately normal with equal variances. s1 = 165 cal S2 = 190 cal n, = 11 n2 = 17 (*1 -*2) - tô + - 대- 내> n. Confidence interval when variances are equal (n, - 1) s? • (^2 - 1) s? where ô = and d.f. =n, +ng - 2 n, +n2 - 2 Enter the endpoints of the interval. (Round to the nearest integer as needed.) . 대 - 내>| |-|&

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.