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Mathematics 15 Online
OpenStudy (anonymous):

Find the interquartile range of the data. A. 49 B. 35 C. 16 D. 14 http://static.k12.com/calms_media/media/713500_714000/713590/5/720df5e3395b2b28b67854a2b4389afc21141718/74612_question.jpg

OpenStudy (igreen):

@kyle21 Please do not give answers, it's against OpenStudy's Code-of-Conduct. We are here to guide the asker to the answer, so we need his/her participation. Please read the \(\bf\color{blue}{\underline{{\href{http:///openstudy.com/code-of-conduct}{Code-of-Conduct}}}}\) to learn more.

OpenStudy (igreen):

IQR = Q3 - Q1

OpenStudy (igreen):

First find the Third and First quartiles.

OpenStudy (anonymous):

Okie

OpenStudy (anonymous):

Is Q1= 34 and Q3= 48?

OpenStudy (amistre64):

10 elements: a quartile is 1/4 10/4 = 1q ....2.xxx, rnd up since its a decimal so the 3rd value 3*10/4 = 3q ....7.xxx rnd up so the 8th value

OpenStudy (anonymous):

So, Q1 is 35 and Q3 is 49

OpenStudy (amistre64):

yes

OpenStudy (amistre64):

IQR is rather ambiguous tho, it can either mean the interval itself, or the size of the interval.

OpenStudy (amistre64):

the options suggest the size in this case; subtract yes

OpenStudy (amistre64):

or add :) 35 +(10+4) = 49

OpenStudy (anonymous):

So my answer is D

OpenStudy (amistre64):

your answer is 14, D is a letter :)

OpenStudy (anonymous):

Okie, thx :)

OpenStudy (amistre64):

good luck :)

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