PCB in plant discharge (contd). Refer to Exercise 8.157. a. In the context of the problem, define
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PCB in plant discharge (cont’d). Refer to Exercise 8.157.
a. In the context of the problem, define a Type II error.
b. Calculate b for the test described in part a of Exercise 8.157, assuming that the true mean is m = 4.1 ppm.
c. What is the power of the test to detect the effluent’s departure from the standard of 4.0 ppm when the mean is 4.1 ppm?
d. Repeat parts b and
c, assuming that the true mean is 4.2 ppm. What happens to the power of the test as the plant’s mean PCB departs farther from the standard?
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Related Book For
Statistics Plus New Mylab Statistics With Pearson Etext Access Card Package
ISBN: 978-0134090436
13th Edition
Authors: James Mcclave ,Terry Sincich
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