Box and Whisker Plots

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Box and Whisker Plots

• To the tune of

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Verse 1

• So, sit right back and Ill tell a tale.
• A tale of a guy named Scott.
• He figured out the way to draw a Box and Whisker
  plot
• Repeat (A box and whisker plot)

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Verse 2

• He said, Take your pencil and write the numbers
• In order from least to great.
• Then find the number in the middle and draw a
  line through it.
• Repeat Yes, draw a line through it.
• 10 19 25 28 29 29 30 32 32 34 34 35 36 40 45 55
  58 72

Median 33
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Verse 3

• This number is called the median
• It splits the data in half.
• We call the left the lower half
• And the right the upper half.
• Repeat The right is the upper half.
• 10 19 25 28 29 29 30 32 32 34 34 35 36 40 45 55
  58 72

Median 33
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Verse 4

• Now, concentrate on the lower half.
• It takes a little while.
• Circle the number in the middle.
• Its called the lower quartile.
• Repeat (Its called the lower quartile)

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Verse 5

• Now, switch your attention to the other half.
• And do it with a smile!
• Circle the number in the middle,
• Its called the Upper Quartile.
• Repeat (Its called the Upper Quartile)

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Verse 6

• This is so exciting now.
• Because were almost done.
• We need to write four numbers in a row
• On a number line.
• Repeat (on a number line)

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Verse 7

• Start by plotting the two quartiles with the
  median in between
• Then draw a box around the three
• With the median in between.
• Repeat (With the median in between)

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Verse 8

• So, something that will make you feel
• Like an intelligent person.
• Is if you can remember that
• The box is 50 percent.
• Repeat (The box is 50 percent)

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Verse 9

• Hey, did you forget the whisker part?
• My teacher said, Thats a sin!
• You have to draw a line from the box
• That goes to the max and min
• Repeat (A line that goes to the max and min)

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Verse 10

• Next, we need to remember that
• The data on each whisker part
• Makes 25 percent of the plot
• And now were truly smart.
• Repeat (Yes, now were truly smart)

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Verse 11

• So, thats the end of our tale about Scott.
• NO, he really doesnt exist.
• But now you can remember the steps
• Without writing a list.
• Repeat (Without writing a list!)