12, 24, 8, 1, 17, 2, 9, 23, 22, 2, 16, 19 The upper quartile is

Answer: 20.5

Explanation:The third quartile or upper quartile is the median is the upper half of the numbers so to find it u have to put the numbers in order and find the upper half

1,2,2,8,9,12,16,17,19,22,23

So the upper half is 17,19,22,24

Then u find the median of those numbers which is 20.5