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Mathematics 7 Online
OpenStudy (mrcoolguy):

pls help

OpenStudy (mrcoolguy):

http://prntscr.com/av2pq1

OpenStudy (mrcoolguy):

@kiwibyrd

OpenStudy (mrcoolguy):

i think its C ??

OpenStudy (kiwibyrd):

do you know what mean deviation is?

OpenStudy (mrcoolguy):

no

OpenStudy (kiwibyrd):

it's basically finding the average difference between the mean and any given number in the list

OpenStudy (kiwibyrd):

for this one, the mean is 20, and the mean absolute deviation is 7

OpenStudy (mrcoolguy):

the answer is 7

OpenStudy (kiwibyrd):

yeah

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