Question: The 95% confidence interval estimate for a population variance when a sample standard deviation of 12 is obtained from a sample of 61 items is

The 95% confidence interval estimate for a population variance when a sample standard deviation of 12 is obtained from a sample of 61 items is 14.14 to 174.94 243.087 to 453 518 106.42 to 294,35 103.724 to 213.428

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