Assume that both populations are normally distributed. (a) Test whether u, + H2 at the a = 0.05 level of significance for the given sample data. Population 1 Population 2 13 13 (b) Construct a 95% confidence interval about u, - H2 14.1 11.8 4.2 3.1 (a) Test whether u, H, at the a = 0.05 level of significance for the given sample data. Determine the null and alternative hypothesis for this test. O A. Ho:H1 * H2 O B. Ho:H1 = H2 O C. Ho:H1 #H2 D. Ho H1 = H2 Detemine the P-value for this hypothesis test. P= (Round to three decimal places as needed.)

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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.