Consider the fire-fighting foam expanding agents investigated in Exercise 10-16, in
Chapter 10, Problem 10-88(choose chapter or problem)
Consider the fire-fighting foam expanding agents investigated in Exercise 10-16, in which five observations of each agent were recorded. Suppose that, if agent 1 produces a mean expansion that differs from the mean expansion of agent 1 by 1.5, we would like to reject the null hypothesis with probability at least 0.95. (a) What sample size is required? (b) Do you think that the original sample size in Exercise 10-16 was appropriate to detect this difference? Explain your answer.
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