Consider the polymer batch viscosity data in Exercise 10-10. If the difference in mean batch viscosity is 10 or less, the manufacturer would like to detect it with a high probability.
(a) Formulate and test an appropriate hypothesis using a =0.10. What are your conclusions?
(b) Calculate the P-value for this test.
(c) Compare the results of parts (a) and (b) to the length of the 90% confidence interval obtained in Exercise 10-10 and discus your findings.