Find the average (mean) of the following numbers: 15, 20, 25, 30.
✓ Correct Answer: Option B
To find the average, sum the numbers and divide by the count. (15 + 20 + 25 + 30) = 90. There are 4 numbers, so 90 / 4 = 22.5.
To find the average, sum the numbers and divide by the count. (15 + 20 + 25 + 30) = 90. There are 4 numbers, so 90 / 4 = 22.5.