Construct both a 95% and a 90% confidence interval for β1 for each of the following cases a. ß1-31 , s-4, SSxx-35, n-10 b/,-65, SSE = 1,860 , SSxx-20, n = 14 c. β,-- 8.6, SSE = 135, SSxx-64, n = 18 a. The 95% confidence interval is 00 (Round to two decimal places as needed.) The 90% confidence interval is 00 (Round to two decimal places as needed.) b. The 95% confidence interval is (Round to two decimal places as needed.) The 90% confidence interval is (Round to two decimal places as needed.) C. The 95% confidence interval is 00 (Round to two decimal places as needed.) The 90% confidence interval is Enter your answer in each of the answer boxes.