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 justified? [Hint: Check for normality. The z percentiles for n = 8 are – 1.053, and –1.53, –.89, –.49, –.15, .15, .49, .89, and 1.53.]
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