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Mathematics 8 Online
OpenStudy (litzyceron):

What is the mean absolute deviation for the data? 30, 35, 35, 40, 55 A. 5 B. 6.4 C. 6.8 D. 25

OpenStudy (litzyceron):

@K12girlohva

OpenStudy (k12girlohva):

Do you know what a mean is?

OpenStudy (litzyceron):

35?

OpenStudy (k12girlohva):

http://www.mathsisfun.com/data/mean-deviation.html

OpenStudy (k12girlohva):

That like explains it all

OpenStudy (k12girlohva):

first you have to find the mean which is just adding all the numbers together than dividing the number you get by how many numbers there are for example: 15,16,12,19 so then i'd add all those 15+16+12+19 which =62 so then you divide 62 by how many numbers there are which is 4 so 62/4=15.5 and the website i gave you explains the rest lol.

OpenStudy (k12girlohva):

brb.

OpenStudy (litzyceron):

k

OpenStudy (litzyceron):

i got 7.8

OpenStudy (litzyceron):

so b???

OpenStudy (k12girlohva):

c

OpenStudy (litzyceron):

i got a 80% and i got it right

OpenStudy (k12girlohva):

Wonderful @litzyceron

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