Solved: Scientists and engineers frequently wish to compare twodifferent techniques for
Chapter 9, Problem 39(choose chapter or problem)
Scientists and engineers frequently wish to compare twodifferent techniques for measuring or determining the valueof a variable. In such situations, interest centers on testingwhether the mean difference in measurements is zero. Thearticle Evaluation of the Deuterium Dilution TechniqueAgainst the Test Weighing Procedure for the Determinationof Breast Milk Intake (Amer. J. of Clinical Nutr., 1983:9961003) reports the accompanying data on amount ofmilk ingested by each of 14 randomly selected infants."a. Is it plausible that the population distribution of differencesis normal?b. Does it appear that the true average difference betweenintake values measured by the two methods is somethingother than zero? Determine the P-value of the test, anduse it to reach a conclusion at significance level .05."
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