Confidence interval of the true variance and standard

Reference no: EM13987210

A random sample of 15 snow mobiles was selected, and the lifetime (in months) of the batteries was measured. The variance of the sample was 8.6. Find the 90% confidence interval of the true variance and standard deviation.

Reference no: EM13987210

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Confidence interval of the true variance and standard : A random sample of 15 snow mobiles was selected, and the lifetime (in months) of the batteries was measured. The variance of the sample was 8.6. Find the 90% confidence interval of the true variance and standard deviation.

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