Answer
A grouped frequency distribution with six classes is shown below.
mean 1779.6
modal class 1000-1369
Work Step by Step
mean=Sum/Count
modal class is the class with the largest frequency.
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.