Khan/khan-exercises — Issue #6752: Mean median and mode - Mean median and mode answer incorrect
Author: KhanBugz
Created: 2011-11-20 19:15:39+00:00
State: open
Labels: lion, safari, wrong-or-unclear

I've tried every possible way of answering this problem. I've tried rounding up to an integer of 5, using a mixed number, an exact decimal, and a simplified improper fraction. I've checked myself 5 times to see if I added incorrectly, or divided by the wrong number. I even looked up what the answer would be online, and multiple sites said 4.85, which I tried with no prevail. This answer should either be deleted, or fixed. Here's the question:
What is the arithmetic mean of the following numbers?
3, 3, 1, 10, 3, 5, 9 Hopefully this can be fixed. Thank you.

[mean_median_and_mode.html?seed=91&problem=mean](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/mean_median_and_mode.html?seed=91&problem=mean&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/mean_median_and_mode.html?seed=91&problem=mean&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%224.86%5C%22%22%2C12%5D%2C%5B%22incorrect-activity%22%2C%22%5C%225%5C%22%22%2C100%5D%2C%5B%22incorrect-activity%22%2C%22%5C%224.85%5C%22%22%2C97%5D%2C%5B%22incorrect-activity%22%2C%22%5C%224%2017%2F20%5C%22%22%2C158%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2297%2F20%5C%22%22%2C138%5D%5D)

["4.86","5","4.85","4 17/20","97/20"]

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