Question

What is the mean of the following distribution?

21, 23, 43, 65, 76, 23, 98, 34, 62, 89

A. 51.4

B. 53.4

C. 58.7

D. 55.3

1. A
2. D
3. B
4. C

Answer 1

Correct Answer - Option 3 : B

Given: 

21, 23, 43, 65, 76, 23, 98, 34, 62, 89

Formula Used: 

Mean = (sum of observation/No. of observation) 

Calculation: 

Mean = (21 + 23 + 43 + 65 + 76 + 23 + 98 + 34 + 62 + 89)/10 = 53.4 

∴ The mean of above data is 53.4