variance 17.7 standard deviation 4.2
Work Step by Step
Find the midpoints of each class, collect the total and individual frequency, then use the group data formula: variance 17.7 standard deviation 4.2
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.