Question

Calculate mean from the given data and write the

conclusion :

Marks Frequencies

4 5

6 10

9 20

10 7

15 8​

Answer 1

Step-by-step explanation:

..................................

Answer 2

Mean = (4*5+6*10+9*20+10*7)/42

= (20+60+ 180+70)/42

= 330/42 =8 app