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Mathematics 17 Online
OpenStudy (johnnewman):

Will fan and medal! What is the first quartile of the data displayed in the box-and-whisker plot? A. 84 B. 99.5 C. 113 D. 143 http://lv.k12.com/mediaFiles/Ninth_Grade/Math/Unit18067/Lesson69960/VHS_PA_S2_07_L207_L306_LQ_Q3.gif

OpenStudy (kayders1997):

I believe the first quartile is the first part where they start the boxes than its the median than the 3rd quartile

OpenStudy (kayders1997):

And the two enpoints at the end are a maximum and minimum

OpenStudy (johnnewman):

yes

OpenStudy (kayders1997):

So what you thinking? :)

OpenStudy (johnnewman):

how would i work it out

OpenStudy (kayders1997):

Well what are a couple you can take out right away?

OpenStudy (johnnewman):

b,c.and d

OpenStudy (kayders1997):

Why B?

OpenStudy (johnnewman):

its part of the model

OpenStudy (kayders1997):

Well 84 is a minimum is the part at the way end that really inst relevant to where the medium and 1st and 3rd inner quartiles are

OpenStudy (mathmale):

John, you are correct, and your reference is relevant. Yes, the first quartile is 99.5.

OpenStudy (mathmale):

What is the 3rd quartile?

OpenStudy (kayders1997):

The first inner quartile range is the middle between the smallest numerous and the middle and he said the answer was A I thought?

OpenStudy (mathmale):

John, what is Q3? kayders: the question here asks John for Q1, which is a single number that can be read off the given illustration (the first illustration).

OpenStudy (kayders1997):

Yes I thought he said the answer was A when it is B that's all :)

OpenStudy (mathmale):

This conversation should involve John. John: Could you name the 5 values of the 5-number summary from which this box-and-whisker plot was drawn?

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