Assign nment: Chapter 9 Assignment Save Submit Assig stions Exercise 09.23 (Population Mean: Sigma Unknown) Hint(s) C O Consider the following hypothesis test: Ho: p S 12 H.: p > 12 A sample of 25 provided a sample mean z = 14 and a sample standard deviation s = 4.32. a. Compute the value of the test statistic (to 2 decimals). b. Use the t distribution table (Table 2 in Appendix B) to compute a range for the p-value. The p-value is - Select your answer - C. At a = 0.05, what is your conclusion? - Select your answer d. What is the rejection rule using the critical value? (Use a = 0.05.) Reject Ho if t Is - Select your answer - the critical value of (to 3 decimals). Can you conclude that the population mean is greater than 12? - Select your answer - Hint(s) Check M