Question

What is the third quartile of these numbers?
8 12 15
13 8 5
13 9 19

Answer 1

arrange them in order, then separate into 4 groups, the third one is the third quartile (2nd lowest)

Answer 2

5.8.8.9.12.13.13.15.19

Answer 3

also you can't split 9 into 4

Answer 4

9 numbers can't make 4 groups

Answer 5

5.8.8.9.12.13.13.15.19
12 is the median, so we can take it out.
13.13.15.19 ->upper half
Now, find the resulting median.

Answer 6

Check out the boxplot generator at the link:

http://www.alcula.com/calculators/statistics/box-plot/

Answer 7

Q3 is 14

Answer 8

bleh? inky i hate math :( but you are helpfull and i apreciate that but i can't understand it