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Slide 2

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Objective: To find median and inter-
Box Plots quartile range and draw a box plot.
Draw a box plot for this data.
14, 14,For
14, the box15,
15, 15, plot,
15,we need:
15, 16, 16, 17, 18, 18, 18, 18, 18, 19, 19, 19, 20
Min value 14
Lower quartile Notice that the data is
15
already in numerical order!
Median 16.5
Upper quartile 18
Max value 20
Lesley Hall @ Soar Valley College…read more

Slide 3

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Here's a taster:

Objective: To find median and inter-
Box Plots quartile range and draw a box plot.
Draw a box plot for this data.
14, 14, 14, 15, 15, 15, 15, 15, 16, 16, 17, 18, 18, 18, 18, 18, 19, 19, 19, 20
Min value 14
Lower quartile 15
Median 16.5 Now we can draw
the box plot.
Upper quartile 18
Max value The box shows the
20
inter-quartile range
13 14 15 16 17 18 19 20
Lesley Hall @ Soar Valley College…read more

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