Question

1) Find the mean of the following distribution.
4
X
6
9
10
15
f
5
10
10
7
8​

Answer 1

Answer:

7+x+f

Step-by-step explanation:

1. mean = sum of observation/ no.of observation
2. mean=4+x+6+9+10+15+f+5+10+10+7+8/12
3. 84+x+f/12
4. 7+x+f

Answer 2

Hope it's may helpful to you all.