Question

1) 122.20 D)
3. Using direct method to find the mean of the following data:
Class Frequency
0-20
15
20 40
18
40 60
60-80
29
80-100
17
1) 50
2) 54
3) 51
21
-
4) 53​

Answer 1

Answer:

50

Step-by-step explanation:

using 51 kind San Shivekar