Question

Following are the marks in a class assessment.

4 6 7 5 3 5 4 5 2 6

2 5 1 9 6 5 8 4 6 7

Find the arithmetic mean.​

Answer 1

Arithmetic Mean = Sum of observations/No. of Observations

                 

= 4+6+7+5+3+5+4+5+2+6+2+5+1+9+6+5+8+4+6+7 / 20

= 100/20

= 5

           

StMay the answer will help uu!!!!