A sample of16items provides a sample standard deviation of9.5. Test the following hypotheses usinga = 0.05. What is your conclusion? Use both thep-value approach and the critical value approach.

Ho : ' 50 Test statistic = X (to 2 decimals) p-value low from table = (to 3 decimals). Use Table 11.1. p-value high from table = X (to 3 decimals). Use Table 11.1. X0.05 (to 3 decimals) Reject Ho if x3 2 (to 3 decimals) Reject the null hypothesis w