SOLUTION: Can someone help me with this problem? I need to find the first and third quartiles, Q1 and Q3, of the following set of numbers: 13,7,15,13,13,12,9,11,19,9 Thanks,

Algebra ->  Number-Line -> SOLUTION: Can someone help me with this problem? I need to find the first and third quartiles, Q1 and Q3, of the following set of numbers: 13,7,15,13,13,12,9,11,19,9 Thanks,       Log On


   

Question 43936: Can someone help me with this problem?
I need to find the first and third quartiles, Q1 and Q3, of the following set of numbers:
13,7,15,13,13,12,9,11,19,9
Thanks,
Sher
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
First, rearrange them in ascending order, so that
13,7,15,13,13,12,9,11,19,9
becomes
7, 9, 9, 11, 12, 13, 13, 13, 15, 19
The 1st and 3rd quartiles are the middle values of the left and right-hand halves of the data, respectively.
That would be 9 and 13.