Statistics for Business: Decision Making and Analysis, 3rd Edition

True/False

1. 5. True

2. 7. False. A Type I error occurs if the system signals a problem but none has occurred.

3. 9. True

4. 11. False. This choice focuses attention on a Type I error and ignores the risk for a Type II error.

5. 13. True

6. 15. False. The mean and SD suggest skewness.

7. 17. False. It may be out of control because the process changed or by chance. Only the latter case produces a Type I error.

8. 19. True