Answer all questions with explanation

11-30. Consider the data from Exercise 11-8 on y = blood pressure rise and x = sound pressure level. ailingia 101 1251 (a) Test for significance of regression using a = 0.05. What is the P-value for this test? (b) Estimate the standard errors of the slope and intercept. (c) Test Ho: Bo = 0 versus Hj: Bo # 0 using a = 0.05. Find the P-value for this test.11-8. An article in the Journal of Sound and Vibration (Vol. 151, 1991, pp. 383-394) described a study investigating the relationship between noise exposure and hypertension. The fol- lowing data are representative of those reported in the article. 2 5 4 2 y 0 6 x 60 63 65 70 70 70 80 90 80 80 5 4 6 8 4 5 7 9 7 x 85 89 90 90 90 90 94 100 100 100