Khan/khan-exercises — Issue #9397: Creating box and whisker plots - Mistake
Author: KhanBugz
Created: 2011-12-23 18:59:10+00:00
State: open
Labels: firefox, win7, wrong-or-unclear

Reporter: thunderclanstar@gmail.com

The answer is incorrect. The Q3 should be 13, not 13.5. There are 7 numbers in the Q3, so it should not be averaged. (Checked with my calculator.)

[creating_box_and_whisker_plots.html?seed=118&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/creating_box_and_whisker_plots.html?seed=118&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/creating_box_and_whisker_plots.html?seed=118&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B4%2C8%2C10%2C13%2C15%5D%22%2C120%5D%2C%5B%22correct-activity%22%2C%22%5B4%2C8%2C10%2C13.5%2C15%5D%22%2C10%5D%5D)

[[4,8,10,13,15],[4,8,10,13.5,15]]

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:8.0.1) Gecko/20100101 Firefox/8.0.1

MathJax is loaded, ready, queue length: 0