An article in Food Chemistry [A Study of Factors Affecting Extraction of Peanut (Arachis Hypgaea L.) Solids

An article in Food Chemistry [€œA Study of Factors Affecting Extraction of Peanut (Arachis Hypgaea L.) Solids with Water€ (1991, Vol. 42(2), pp. 153€“165)] reported that the percent protein extracted from peanut milk as follows:

(a) Can you support a claim that the mean percent protein extracted exceeds 80 percent? Use α = 0.05.

(b) Is there evidence that the percent protein extracted is normally distributed?

(c) What is the P-value of the test statistic computed in part (a)?

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