Explore BrainMass

Explore BrainMass

    Finding the confidence interval for population variance

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    A discount store is trying to decide whether to use a single waiting line for available cashiers. The waiting times for 25 randomly selected customers was found to have a standard deviation of 1.7 minutes. Construct a 95% confidence interval for the population variance.

    © BrainMass Inc. brainmass.com June 3, 2020, 6:59 pm ad1c9bdddf

    Solution Summary

    This solution provides assistance constructing a 95% confidence interval for the population variance of the data given below.