Assume that the heights of bookcases are normally

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Assume that the heights of bookcases are normally distributed. A random sample of 16 bookcases in one company have a mean height of 67.5 inches and a standard deviation of 2.9 inches. Test the claim that the standard deviation of the heights of the bookcases is less than 3.0 inches. Use alpha=0.05.

Reference no: EM13616801

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