Homework: Ch 11 HW: IWo Sample Procedure use the given statistics to complete parts (a) and (b) Assume that the populations are normally distributed. (a) Test whether > at the cr- 0.05 level of significance for the given sample data. HW score: 61.34%, 10.43 Of Question 9, 11.3.3-T 17 points Part 2 of 5 Points. Population 1 28 69 Save Population 2 13.6 (b) Construct a 99% confidence interval about gl (a) Identify the null and alternative hypotheses for this test. Find the test statistic for this hypothesis test. (Round to two decimal places as needed.)