Posted by MATH 115 SEC. 8.5 PG 646 on Wednesday, December 22, 2010 at 7:38pm.
Please help anyone if you can This one is really confusing me I need the IQR for these set of numbers
0.10,0.18,0.20,0.21,0.24,0.24,0.25,0.26,0.28
What I did was place them in order and worked my way from both end until I got in the middle I came up with 0.24 but not sure if it's right

ALGEBRA  Ms. Sue, Wednesday, December 22, 2010 at 7:48pm
0.24 is the median.
The interquartile range is between the 1st and 3rd quartiles.
Check this site for figuring the IQR.
http://wiki.answers.com/Q/What_is_the_interquartile_range

ALGEBRA  bobpursley, Wednesday, December 22, 2010 at 7:49pm
9 terms, so median is 24
first quartile .19
third quartile .255
IQR= .255.19=.065 or .07

ALGEBRA  MATH 115 SEC. 8.5 PG 646, Wednesday, December 22, 2010 at 8:09pm
thank you both Ms. Sue for the site and bobpursley for assisting me in this problem.

ALGEBRA  Ms. Sue, Wednesday, December 22, 2010 at 8:20pm
You're welcome.
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