Question

find the mean and median of these data: 2, 5, 9, 11, 17, 19.

Answer 1

data: 2, 5, 9, 11, 17, 19

median is the middle number
median = (9+11)/2 = 10

mean = average
mean = (2 + 5 + 9 + 11+  17 + 19)/6
mean = 63/6
mean = 10.5