Find the arithmetic mean of 4 and 18

Answer 1

To find the arithmetic mean of 4 and 18, you need to add the two numbers together and then divide the sum by 2.

So,

Arithmetic mean = (4 + 18) / 2

Arithmetic mean = 22 / 2

Arithmetic mean = 11

Therefore, the arithmetic mean of 4 and 18 is 11.