20 + 21 + 22 + 23 + 25 + 27 + 30 + 30 = 198/8 = 24.75
Chat with our AI personalities
To calculate the mean you add all of the numbers together, and then divide by how many numbers were added. In this case, the mean is 21.
20 + [(21+23)/22]2 = 20 + [44/22]2 = 20 + 22 = 20 + 4 = 24
balls
20, 21, 22, 23, 24...
mean = the sum of 23, 19, 26, 17, 21, 24, 22 divided by 7 = 152/7 =21.71