Question
Marco is analyzing sales data from the week and writes down the numbers shown
10,12,15,6,20,13,17
what is the interquartile range ?
10,12,15,6,20,13,17
what is the interquartile range ?
Answers
John
10 Put the data in order
6 7 10 12 13 15 17 20
Median is 12.5
Quartiles are 1/2 way between the
median and the ends of the data.
The first quartile is between 7 and 10 so that is 17/2 = 8.5
The third quartile is between 15 and 17 which is 16.
The interquartile range is 16-8.5 = 7.5
6 7 10 12 13 15 17 20
Median is 12.5
Quartiles are 1/2 way between the
median and the ends of the data.
The first quartile is between 7 and 10 so that is 17/2 = 8.5
The third quartile is between 15 and 17 which is 16.
The interquartile range is 16-8.5 = 7.5
PLEASE ANSWER
There is no 7, I'm sorry, but where did you get seven? I'm confused.