Question

Find the arithmetic mean of all the odd numbers between 1 and 20

Answer 1

Answer:

3+5+7+9+11+13+15+17+19/9

=99/9

=11

Answer 2

Step-by-step explanation:

Odd numbers in between = 3,5,7,9,11,13,15,17,19

Mean = Sum of numbers / Quantity of numbers

         = 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 / 9

         = 99 / 9

         = 11

Therefore, mean of the numbers is 11

May the answer helps you :)