Question

Work out the mean for the data set below: 1, 2, 1, 2, 2, 5 Give your answer as a fraction.

Answer 1

13/6 or 2 and 1/6

Explanation:

The mean (or average) is the sum of all elements divided by the amount of elements. In this case that would be (1 + 2 + 1 + 2 + 2 + 5) / 6 = 13 / 6 or 2 1/6