Fmean when a number is added

This math skill teaches how to find an additional value that, when added to a set of numbers, results in a specified mean for the new set. You calculate the overall sum needed for the desired mean and then subtract the sum of the original numbers from this total to find the added value.

Skill Practice

Find the mean when a number is added

Test your understanding of fmean when a number is added by practicing it! Work through the below exercises to use it in practice.