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Mathematics 21 Online
OpenStudy (anonymous):

could someone explain standard deviation? Is it the same as M.A.D.?

OpenStudy (anonymous):

@BriellShaw @TheSmartOne @Kainui

OpenStudy (anonymous):

@1234abdc

OpenStudy (briellshaw):

What grade are you in i could reccomend domeone to you im a 7th grader @Somy @darkness_lover

OpenStudy (anonymous):

7th heheh

OpenStudy (anonymous):

I take algebra online

OpenStudy (anonymous):

@LilySwan

OpenStudy (anonymous):

@rational

OpenStudy (anonymous):

woah my smart score just disappeared and the thingy is grey

OpenStudy (anonymous):

do you know what the deviation from the mean is?

OpenStudy (anonymous):

yes...

OpenStudy (anonymous):

It's the distance away that a number is from the mean

OpenStudy (anonymous):

A number in the data set

OpenStudy (anonymous):

yes so The standard deviation of a sample, s, is the positive square root of the variance and the variance,s2, is the mean of the squared deviations, calculated using n - 1 as the divisor

OpenStudy (anonymous):

....okay

OpenStudy (anonymous):

could you explain with numbers or something I'm still really confused

OpenStudy (anonymous):

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