Find out the confidence interval for variance


Find the confidence interval for variance and standard deviation.

Find the 90 percent confidence interval for the variance and standard deviation for the time it takes a state police inspector to check a truck for safety if a sample of 27 trucks has a standard deviation of 6.8 minutes. Suppose the variable is normally distributed.

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Basic Statistics: Find out the confidence interval for variance
Reference No:- TGS022976

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