TABLE 10-3. The use of preservatives by food processors hasbecome a controversia

Question

TABLE 10-3. The use of preservatives by food processors hasbecome a controversial issue. Suppose 2 preservatives areextensively tested and determined safe for use in meats. Aprocessor wants to compare the preservatives for their effects onretarding spoilage. Suppose 15 cuts of fresh meat are treated withpreservative A and 15 are treated with preservative B, and thenumber of hours until spoilage begins is recorded for each of the30 cuts of meat.
Referring to Table 10-3, state the test statistic fordetermining if the population variances differ for preservatives Aand B. a. F = - 3.10 b. F = 0.5908 c. F = 0.7687 d. F = 0.8250

Explanation / Answer

a. F = - 3.10 b. F =0.5908 c. F = 0.7687 d. F = 0.8250

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