Interpret boxandwhisker plots
Mathematics

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Interpret boxandwhisker plots i need help with it
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let .. draw a boxandwhisker plot for the following data set:
4.3, 5.1, 3.9, 4.5, 4.4, 4.9, 5.0, 4.7, 4.1, 4.6, 4.4, 4.3, 4.8, 4.4, 4.2, 4.5, 4.4
My first step is to order the set. This gives me:
3.9, 4.1, 4.2, 4.3, 4.3, 4.4, 4.4, 4.4, 4.4, 4.5, 4.5, 4.6, 4.7, 4.8, 4.9, 5.0, 5.1
The first number I need is the median of the entire set. Since there are seventeen values in this list, I need the ninth value:
3.9, 4.1, 4.2, 4.3, 4.3, 4.4, 4.4, 4.4, 4.4, 4.5, 4.5, 4.6, 4.7, 4.8, 4.9, 5.0, 5.1
The median is Q_{2} = 4.4.
The next two numbers I need are the medians of the two halves. Since I used the "4.4" in the middle of the list, I can't reuse it, so my two remaining data sets are:
3.9, 4.1, 4.2, 4.3, 4.3, 4.4, 4.4, 4.4 and 4.5, 4.5, 4.6, 4.7, 4.8, 4.9, 5.0, 5.1
The first half has eight values, so the median is the average of the middle two:
Q_{1} = (4.3 + 4.3)/2 = 4.3
The median of the second half is: Copyright © Elizabeth Stapel 20042011 All Rights Reserved
Q_{3} = (4.7 + 4.8)/2 = 4.75
Since in list values have one decimal place and range from 3.9 to 5.1, I won't use a scale of, say, zero to ten, marked off by ones. Instead, I'll draw a number line from 3.5 to 5.5, and mark off by tenths. 
what about percent
i hope clear now ??
ok thanks
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