Question

The mean of 12 numbers is 24. If 5 is added in every number, the new mean is:
(a) 25
(b) 84
(c) 29
(d) None of these
Also explain the logic behind the answer

Answer 1

Answer:

New mean of the data = 29

Explanation:

Given data:

Mean of 12 numbers = 24

Given that 5 is added in every number

here we need to find new mean of the data

Note: If a number 's' is added to each observation in a data then the mean of data will be equals to initial mean + s  

Therefore, mean of the data will be equals to initial mean + 5      

New mean of the data = 24+5 = 29