Mean

Mean is the average value of a list of numbers.

Definition

According to Juran's Quality Handbook by Defeo (7th edition),

Mean. The average value of a list of numbers.

According to the HRBoK Guide,

Mean. A way to calculate the average of a series of numbers. An average determined by adding up a group of numbers, and then dividing that total by the number of numbers. For example, to calculate the mean of 10, 20, 30, 40, 50: first, add the numbers (10 + 20 + 30 + 40 + 50 = 150), then count the numbers (5), and then divide the total by the number of numbers (150/5 = 30).