Question

Umi's test grades for this semester are in the list shown. The mean of her test grades is 82.4. 86,93,90,85,42,91,90

Answer 1

Answer:

Her average for the semester is 82.42

Step-by-step explanation:

577 is the sum of all the points in the assignments

and dividing by 7 (the number of assignments) you get 82.42 ie her semester grade.