Question

Q21. Find mean of the following data.
Х
5
20
10
5
15
3
25
3
30
3
f
4
2​

Answer 1

Answer:

8.7142

Step-by-step explanation:

Add all numbers and then divide the sum with 14

You need to divide it with 14 as the number of observation are 14

Arithematic mean =  Sum of obeservation

                                 Number of observations