Significance levels, mean, z score, and standard deviation

Not what you're looking for? Search our solutions OR ask your own Custom question.

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

True or false:

Fred wants to calculate the 98% confidence interval around the mean using the z-distribution. His sample of 64 items has a mean of 35 and a standard deviation of 6. The maximum error of estimate would be 0.218.

© BrainMass Inc. brainmass.com December 24, 2021, 4:46 pm ad1c9bdddf
https://brainmass.com/statistics/hypothesis-testing/significance-levels-mean-z-score-standard-deviation-6294

Solution Preview

Z = (X - mu)/Sigma
Z = (X - 35)/6
98% confidence interval
Maximum error of estimate = ...

Solution Summary

The solution answers the question(s) below.

$2.49