E Question Help Qu Sample 2 13 18.2 Sample 1 13 16.8 Assume that both populations are normally distributed. St a) Test whetherp #p, at the a=0.05 level of significance for the given sample data. We b) Construct a 95% confidence interval about -- 4.3 4.2 St Gr EE Click the icon to view the Student t-distribution table. a) Perform a hypothesis test. Determine the null and alternative hypotheses. Sta O A. Ho H1 = H2, H,: H1 #H2 Ch O B. Ho H1 H2, H: 1=H2 eT O C. Ho: H1 = P2, H H1 < H2 m. 01 > H2 To O D. Ho P1 = P2. H1 94 test statistic. Determine the Mu (Round to two decimal places as needed.) t = Pu lue Determine the critical value(s). Select the correct choice below and fill in the answer box(es) within your choice. Dis (Round to three decimal places as needed.) 313 O A. The critical value is Co OB. The lower critical value is The upper critical value is Click to select your answer(s). 26 27 28 P Pearson 2019 Pearson Education Inc. All rights reserved. I Terms of Use | Privacy Policy I Permissions I Co Copyright E Question Help Qu Assume that both populations are normally distributed. a) Test whether u, +u, at the a=0.05 level of significance for the given sample data. St We b) Construct a 95% confidence interval about u-P2- Sample 1 13 16.8 4.2 Sample 2 13 18.2 4.3 St Click the icon to view the Student t-distribution table. Gr Sta Determine the test statistic. (Round to two decimal places as needed.) Ch t%= Determine the critical value(s). Select the correct choice below and fill in the answer box(es) within eT (Round to three decimal places as needed.) choice. your O A. The critical value is To 0: The upper critical value is O B. The lower critical value is 94 M Should the hypothesis be rejected? lue the critical region. Pu the null hypothesis because the test statistic 313 Dis b) Construct a 95% confidence interval about p, - P2 to The confidence interval is the range from Co (Round to two decimal places as needed. Use ascending order.) Click to select your answer(s). 27 28 P Pearson n Permissions Con 2019 Pearson Education Inc. All rights reserved. I Terms of Use I Privacy Policy I Copyright