The data represents the mpg for vehicles manufactured by a company in the past 5 years. Find the third quartile, Q3, of the data. Data: 28.7, 25.5, 21.8, 21.6, 20.5, 16.7, 16.3, 15.4, 13.9.
A. 21.8
B. 25.5
C. 24.75
D. 23.65

Question

The data represents the mpg for vehicles manufactured by a company in the past 5 years. Find the third quartile, Q3, of the data. Data: 28.7, 25.5, 21.8, 21.6, 20.5, 16.7, 16.3, 15.4, 13.9.
	A.	21.8
	B.	25.5
	C.	24.75
	D.	23.65

amistre64 · Answer

Q means we want to divide the data into 4 separate sections.

sorting from low to high is advisable as well

amistre64 · Answer

since there are 9 data points listed we want (9/4) *3 as our Q3

amistre64 · Answer

our Q3 position that is

amistre64 · Answer

27/4 = 6.xxx rnds to 7

the 7th biggest number is Q3

amistre64 · Answer

looks like its sorted from high to low, so count the 7th from the right side :)

callisto · Answer

attachment

callisto · Answer

i don't think it is a number that you can directly copy from the question