Question

the mean of 12 number is 40. if each number is divided by 8,what will be the mean of the new number

Answer 1

Answer:

Step-by-step explanation:

Let the sum of all observation be x.

Mean = Sum of all observation/

Total number of observation

=> 40 = x/12

=> x = 40*12 = 480

If each number is divided by 8,

So, 480/8 = 60

Now, sum of all observation becomes 60.

=> New mean = 60/12

=> 5

Thus, the new mean is 5.