Question: The confidence interval for the population variance was found to be 73.430 to 389.108. However, a confidence interval for the population standard deviation is needed.

The confidence interval for the population variance was found to be

73.430 to 389.108. However, a confidence interval for the population standard deviation

The confidence interval for the population variance was found to be 73.430 to 389.108. However, a confidence interval for the population standard deviation is needed. Recall that the standard deviation is the positive square root of the variance. Therefore, the confidence interval for the standard deviation can be found by taking the positive square root of the lower and upper bounds for the variance. Substitute = 73.430 to find the lower bound for the confidence interval of the population standard deviation, rounding the result to two decimal places. lower bound of

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