arrange in order ... 4 , 6 , 8 , 10 , 11 , 12 , 18 , 20
8 values , so two per quartile
the quartile "boundries" are the average of the numbers on either side
... 6 is the last value in the 1st quartile , 8 is the 1st value in the 2nd quartile
... so the 1st quartile is delineated by 7 ... (8 + 6) / 2
take another look at the answers
1. What are the minimum, first quartile, median, third quartile, and maximum of the data set?
18, 20, 11, 10, 8, 6, 12, 4
A: Minimum: 4; First Quartile: 7; Median: 10.5; Third Quartile: 17.5; Maximum: 20
B: Minimum: 4; First Quartile: 5.5; Median: 12.75; Third Quartile: 15; Maximum: 20<~~(MA)
C: Minimum: 4; First Quartile: 8.75; Median: 12.75; Third Quartile: 17.5; Maximum: 20
D: Minimum: 4; First Quartile: 7; Median: 10.5; Third Quartile: 15; Maximum: 20
<~~(MA) = My Answer
2 answers
then is it C?
1 answer