Question

(a) A machine that fills cans with corn should have a variance that r; otherwise, the tops will bulge. A sample of 12 cans ware selected at random and 02+ (4+4-8 mark exceed 0.03 oz; yields a sample variance of 0.042 or. Ifa-.10, what is your conclusion? Compute a 90% confidence interval on the true variance. (b)

Answer 1

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