Use the given statistics to complete parts (a) and (b). Assume that the populations are normally distributed. (a) Test whether u, >H, at the a = 0.10 level of significance for the given sample data. Population 1 21 Population 2 20 (b) Construct a 95% confidence interval about u, -H2 46.5 44.8 3.9 13.2 (a) Identify the null and alternative hypotheses for this test. O A. Ho: H1 = H2 O B. Ho: H1 =H2 Oc. Ho: H1 H2 OF. Ho: H1 * H2 H: H1 = H2 O D. Ho: H1 > H2 H: H = H2

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