Reconsider the situation described in Exercise 81 of Chapter 9 and the accompanying Minitab output (the Greek letter eta is used to denote a median)
a. Verify that the value of Minitab's test statistic is correct.
b. Carry out an appropriate test of hypotheses using a significance level of .01.
Exercise 81 The accompanying data on response time appeared in the article "The Extinguishment of Fires Using Low-Flow Water Hose Streams-Part II" (Fire Technology, 1991: 291-320).
The authors analyzed the data with the pooled t test. Does the use of this test appear jus