For Exercises 19–22, a confidence interval for is given. Use the confidence interval to test, using level of significance , whether differs from each of the indicated hypothesized values.
19. A 95% confidence interval for is (1, 4). Hypothesized values are
9.6.19
Value of | Form of hypothesis test, with | Where lies in relation to 95% confidence interval (1, 4) | Conclusion of hypothesis test | |
---|---|---|---|---|
(a) | 0 | Outside | Reject | |
(b) | 2 | Inside | Do not reject | |
(c) | 5 | Outside | Reject |