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Mathematics 15 Online
OpenStudy (anonymous):

Help box plots

OpenStudy (anonymous):

OpenStudy (anonymous):

@IrishBoy123

OpenStudy (anonymous):

@jtvatsim

OpenStudy (jtvatsim):

First thing you should do is figure out what the median is of the data you were given. Arrange the data from lowest to highest, and find the middle number. If you already did that, just let me know what you got.

OpenStudy (anonymous):

26 @jtvatsim

OpenStudy (jtvatsim):

Alright, that's what I got too. That rules out choice C for sure.

OpenStudy (jtvatsim):

The data ranges from 20 to 32 so we should make sure the box plot actually matches that description.

OpenStudy (jtvatsim):

You should see that only one box plot actually does this. :) Can you see it?

OpenStudy (jtvatsim):

And by "ranges" I mean...

OpenStudy (jtvatsim):

|dw:1439238074301:dw|

OpenStudy (jtvatsim):

Those two vertical dashes mark the lowest and highest numbers.

OpenStudy (anonymous):

Yes is see it

OpenStudy (jtvatsim):

Alright, so which choice do you think it is based on that?

OpenStudy (anonymous):

D

OpenStudy (jtvatsim):

Careful, that one shows a highest number of 35. Is 35 in our data?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

It would be C

OpenStudy (jtvatsim):

Ah... but then the median is wrong. AHHH!!! lol :)

OpenStudy (jtvatsim):

Alright, big breath.... And let's see... we want a median of 26, a low of 20, and a high of 32. We need three things to work.

OpenStudy (anonymous):

can you explain why its A so i know

OpenStudy (jtvatsim):

So, here's what I would have done. I would draw my own picture like this...

OpenStudy (jtvatsim):

|dw:1439238403341:dw|

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