Question

GUYSS❤
SOLVE THIS SUM BY STEP DEVATION METHOD!!!

CLASS
0-10
10-20
20-30
30-40
40-50
50-60
60-70

FREQUENCY
4
8
3
20
3
4
8
​

Answer 1

Step-by-step explanation:

hope it is helpful for u first picture deviation method second and third assumed method and fourth is directive method