19.75 is the average.
mean(18, 23, 39, 10, 22, 17, 16, 15) = (18 + 23 + 39 + 10 + 22 + 17 + 16 + 15) ÷ 8 = 160 ÷ 8 = 20
The average is 23.
The median is 19.
18, 23, 10, 39, 22, 17, 16, 15 Mean = (18 + 23 + 10 + 39 + 22 + 17 + 16 + 15)/8 = 20 Lowest Number in set is 10 Highest Number in set is 39 Range = (39 - 10) = 29
Hourly
21, 22 & 23 15, 16, 17 & 18
to find the mean, you add all the numbers together then divide by how many numbers there are. so the mean for 4 8 18 21 22 23 is 16
The average of 18, 24, and 27 is 23.
15 - 25 degrees.
22
The average is 23, now the youngests were 17, and oldests 40.
(23 - 18) × 8 - 16 = 24