The mean of 12 numbers is 40. if each number is divided by 8 what will be the mean of the new number
Given, mean of 12 numbers = 40
Let the 12 numbers be, x1, x2, x3, ....., x12.
Now when each number is divided by 8, then new set of 12 numbers is:
So, new mean =
Hence, new mean = 5