Question

What is the third quartile, Q3, of the following data set?
33, 15, 29, 12, 23, 40, 26, 17, 19, 25

Answer 1

q3=p75

Answer 2

there are 10 enteries, 75% of 10 = 7.5

since this is a decimal, round up; its the 8th position and up i believe

Answer 3

after you sort it from low to high that is

Answer 4

a. 24
b.17
c.28
d.29

Answer 5

sort and count ....

Answer 6

wolfram does a nice sort function:

12, 15, 17, 19, 23, 25, 26, 29, 33, 40

so its the number in the 8th position

Answer 7

http://www.wolframalpha.com/input/?i=sort%2833%2C+15%2C+29%2C+12%2C+23%2C+40%2C+26%2C+17%2C+19%2C+25%29

Answer 8

so the Q3 would be 29

Answer 9

yes :)