Question

What is the mean of the data set? {21, 23, 25, 25, 26, 28, 28, 28, 31, 33}

Answer 1

Add every number up.

21 + 23 +25 + 25 + 26 + 28 +28 + 28 + 31 + 33 = 268.

Then divide by the amount of numbers we have which is 10.

268/10 = 26.8

The mean is 26.8

Answer 2

The answer is 26.8 hope this helps!