look at the number of leters robin sorted at her job at the post office.

what is the mean number of letters sorted? day------letters
sat. 105
Mon. 97
Tues. 88
Wed. 86

please! show me how to do this problem.thanks!!

1 answer

Mean is the average

ADD the number of letters and divide by the number of numbers.

105 + 97 + 88 + 86 = sum
Average = sum/4