1. Test criterion and sampling distribution of x with m= 0.38 second.
Figure: 12-01
Test criterion and sampling distribution of x with m= 0.38 second. -

2. Test criterion and sampling distribution of x with m=0.41second.
Figure: 12-02
Test criterion and sampling distribution of x with m=0.41second. -

3. Operating characteristic curve.
Figure: 12-03
Operating characteristic curve.

4. Test criteria for z test concerning a population mean.
Figure: 12-04a
Test criteria for z test concerning a population mean.

5. Test criteria for z test concerning a population mean.
Figure: 12-04b
Test criteria for z test concerning a population mean.

6. Test criteria for z test concerning a population mean.
Figure: 12-04c
Test criteria for z test concerning a population mean.

7. Figure: 12-05
Normal probability for Example 12.6 reproduced from display screen of TI-83 graphing calculator.

8. Figure: 12-06
Solution of Example 12.6 reproduced from the display screen of TI-83 graphing calculator.

9. Test criteria for two-sample z test.
Figure: 12-07a
Test criteria for two-sample z test.

10. Test criteria for two-sample z test.
Figure: 12-07b
Figure: 12-07b
Test criteria for two-sample z test.

11. Test criteria for two-sample z test.
Figure: 12-07c
Figure: 12-07c
Test criteria for two-sample z test.

12. Computer printout for Example 12.8.
Figure: 12-08
Computer printout for Example 12.8.