Question

2 calculate the arithmetic mean for the following frequency
distribution
Marks No of students Midpoint F
1
5
75
20-50
50-90
40-50
45
50-60
60-70
330
295
3​

Answer 1

Answer:

do it subtraction i hope it will be correct

Answer 2

Answer:

do it subtraction

Step-by-step explanation:

I hope it will give answer