Baseball Diameters The standard deviation of the diameter of 18 baseballs was 0.29 cm
Chapter 7, Problem 13(choose chapter or problem)
Baseball Diameters The standard deviation of the diameter of 18 baseballs was 0.29 cm. Find the 95% confidence interval of the true standard deviation of the diameters of the baseballs. Do you think the manufacturing process should be checked for inconsistency?
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