Question

dice ? (11) a total of 9 or 11?
28. The mean of the following distribution is a
e following distribution is 31.4. Determine the missing frequency x.
Class
0-10 10 - 2020 - 30 30 - 40 40 - 50 | 50 - 60
Frequency 5 x 10 | 12
| 7
8
t​

Answer 1

Answer:

Answer should be depend on that

Opposite sides have sum of 7.