Mean is a kind of average. To find the mean, total the quantities then divide by the number of quantities. For example, the mean of 20, 50, and 90 is (20 + 70 + 90) ÷ 3 = 180 ÷ 3 = 60.
Mean
Mean is a kind of average. To find the mean, total the quantities then divide by the number of quantities. For example, the mean of 20, 50, and 90 is (20 + 70 + 90) ÷ 3 = 180 ÷ 3 = 60.