A medical researcher surveyed 11 hospitals and found that the standard deviation for the cost for removing
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A medical researcher surveyed 11 hospitals and found that the standard deviation for the cost for removing a person’s gall bladder was $53. Assume the variable is normally distributed. Based on this, find the 99% confidence interval of the population variance and standard deviation.
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Elementary Statistics A Step By Step Approach
ISBN: 9781259755330
10th Edition
Authors: Allan G. Bluman
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