An article in Food Chemistry [A Study of Factors Affecting Extraction of Peanut (Arachis
Chapter 9, Problem 9-143(choose chapter or problem)
An article in Food Chemistry [A Study of Factors Affecting Extraction of Peanut (Arachis Hypgaea L.) Solids with Water (1991, Vol. 42, No. 2, pp. 153165)] found the percent protein extracted from peanut milk as follows: 78.3 77.1 71.3 84.5 87.8 75.7 64.8 72.5 78.2 91.2 86.2 80.9 82.1 89.3 89.4 81.6 (a) Can you support a claim that mean percent protein extracted exceeds 80 percent? Use . (b) Is there evidence that percent protein extracted is normally distributed? (c) What is the P-value of the test statistic computed in part (a)?
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