Question

1 poin
The mean of 10 numbers is 9,
then the sum (total) of these
numbers will be

Answer 1

Answer:

90

Explanation:

Mean of 10 number = 9

Now, mean = Sum of numbers/Numbers of numbers

=> (x1 + x2 .... + x10)/10 = 9

∴ Sum of all 10 numbers = x1 + x2 ... + x10 = 9*10 => 90