Question

Calculete the Arithmetic mean for the
following:
marks
20-30 | 30-40 40-50 so-col 66-7090-80
No. of
students 5
8
12
15
6
4​

Answer 1

Answer:

please follow me my dear friend please ❤️❤️❤️

Answer 2

Step-by-step explanation:

iwhwksb wuyejwushwskxpkwbwkwnscwce