Recall the breath analyzers described in Example 4.3.5. The following are thirty blood alcohol determinations made by
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(a) If μ denotes the true average reading that Analyzer GTE-10 would give for a person whose blood alcohol concentration is 12.6%, test H0: μ = 12.6 versus H1: μ = 12.6 at the α = 0.05 level of significance. Assume that σ = 0.4. Would you recommend that the machine be readjusted?
(b) What statistical assumptions are implicit in the hypothesis test done in part (a)? Is there any reason to suspect that those assumptions may not be satisfied?
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Related Book For
Introduction To Mathematical Statistics And Its Applications
ISBN: 9780321693945
5th Edition
Authors: Richard J. Larsen, Morris L. Marx
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