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Mathematics 14 Online
OpenStudy (openstudyrocks5*):

Attachment in Question. Be sure to show your work for finding: *the mean of the set of data (alreadyfound) *the distance of each number from the mean *the mean absolute deviation

OpenStudy (openstudyrocks5*):

OpenStudy (openstudyrocks5*):

@iGreen

OpenStudy (igreen):

Hold on

OpenStudy (igreen):

So..where are you stuck?

OpenStudy (openstudyrocks5*):

Like how to find the distance and I toatally don't get what the absolute thing is :|

OpenStudy (igreen):

Subtract.. What did you get for the mean?

OpenStudy (openstudyrocks5*):

I got 47 for the mean is that right?

OpenStudy (igreen):

Yeah, if you're rounding to the nearest whole number.

OpenStudy (igreen):

Subtract all the numbers from the mean to find the distance.

OpenStudy (openstudyrocks5*):

Ok so whats with the absolute thing than?

OpenStudy (openstudyrocks5*):

@iGreen ^

OpenStudy (igreen):

Hold on

OpenStudy (igreen):

Ohhh, you have to find all the distances and find the mean of those distances

OpenStudy (igreen):

Solve all of these, then add them up and divide by 7

OpenStudy (igreen):

Oh..wait.. Forget those plus problems..they should be: 50 - 47 = ? 56 - 47 = ? 52 - 47 = ? 47 - 46 = ? 48 - 47 = ? 47 - 42 = ? 47 - 38 = ?

OpenStudy (openstudyrocks5*):

50 - 47 = 3, 56 - 47 = 9, 52 - 47 = 5, 47 - 46 = 1, 48 - 47 = 1, 47 - 42 = 5, 47 - 38 = 9

OpenStudy (igreen):

Yes, now simplify: \(\dfrac{3 + 9 + 5 + 1 + 1 + 5 + 9}{7}\)

OpenStudy (openstudyrocks5*):

3+9+5+1+1+5+9 = 33

OpenStudy (igreen):

Yep, now divide by 7.

OpenStudy (openstudyrocks5*):

4

OpenStudy (igreen):

No.. 33 / 7 = ?

OpenStudy (openstudyrocks5*):

Umm lol its 4.714285 33/7 = 4.714285 and yes I did use a calculator and I also used siri kind of

OpenStudy (openstudyrocks5*):

Not that I cant figure it out myself Its just handy to get it faster...

OpenStudy (igreen):

Lol

OpenStudy (igreen):

Yep, that's the absolute mean

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