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A random sample of 12 diamonds are taken in a study of the hardness of the...

A random sample of 12 diamonds are taken in a study of the hardness of the diamond. Measurements made, yielding an average value of 48.5 with a sample standard deviation of 1.5. Fill in the blanks for the critical values for a 98% confidence interval for the variance of the hardness of the diamond.

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orchestra answered 2 years ago
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