Explore BrainMass

Confidence interval for variance and standard deviation

The percentage rates of home ownership for 8 randomly selected states are listed below. Estimate the population variance and standard deviation for the percentage rate of home ownership with 99% confidence level.

66.0 75.8 70.9 73.9 63.4 68.5 73.3 65.9

I am attempting to confirm my calculations.

Solution Summary

The solution provides excel explanations how to find out the confidence interval for the variance and standard deviation.