Question

6.
Determine the mean of the following
Group 10-16 | 16-22 l 22-28 l 28-34 l 34-40
Frequency 1 l 10 l 5 l 3 l 6

1) 24.72
2) 25.77
3) 25.72
4) none of these​

Answer 1

Answer:

none of these is answer

Answer 2

Answer:

option 3) is correct....

Hope it helps you........