Question

What is the mean of the following set of numbers? 121, 347, 45, 21, 300, 614, 312, 333, 421

Answer 1

The mean is 279.3 repeating.

Answer 2

To find the mean of a data set you need to add up all the numbers and then divide by the number of data. So, the mean (answer) is 279.333333333.