If there are 13 values in a data set in order from smallest to largest, what is the first quartile of the data set?

A. The mean of the 3rd and 4th values
B. The mean of the 4th and 5th values
C. The mean of the 5th and 6th values
D. The mean of the 2nd and 3rd values

Question

If there are 13 values in a data set in order from smallest to largest, what is the first quartile of the data set?

 	A.	The mean of the 3rd and 4th values
 	B.	The mean of the 4th and 5th values
 	C.	The mean of the 5th and 6th values
 	D.	The mean of the 2nd and 3rd values

vocaloid · Answer

hint: let's use the numbers 1 through 13 as an example

1 2 3 4 5 6 7 8 9 10 11 12 13 

what's the median of these?