21.8
Simply add them all up, and then divide by how many numbers you have.
Mean (12, 18, 19, 20, 21) = 18
20.37 is the mean.
16 + 16 + 16 + 17 + 18 + 18 + 18 + 19 + 19 + 20 + 20 + 20 + 21 = 238
17, 18, 19, 21, 22, and 23
The arithmetic mean is defined as the sum of the individual members of the population divided by the number of members. The mean score for the nine members of Mt. Dexter's team is (15 + 20 + 19 + 20 + 16 + 20 + 14 + 18 + 17) / 9 = 159/9 = 17 and 2/3 (17.666 repeating)
5
Mean (12, 18, 19, 20, 21) = 18
20.37 is the mean.
16 + 16 + 16 + 17 + 18 + 18 + 18 + 19 + 19 + 20 + 20 + 20 + 21 = 238
It goes Jasper (20), Emmett and Alice (19), Rosalie and Bella (18), and Edward (17)
17, 18, 19, 21, 22, and 23
The arithmetic mean is defined as the sum of the individual members of the population divided by the number of members. The mean score for the nine members of Mt. Dexter's team is (15 + 20 + 19 + 20 + 16 + 20 + 14 + 18 + 17) / 9 = 159/9 = 17 and 2/3 (17.666 repeating)
The median is 19.
The median is 19.
I added up all the numbers to get 126, then i divided that all by 7 to get 18. your final answer is 18.
16/19
-20, -19, -18, -17, -16