Box and Whisker Plots - PowerPoint PPT Presentation

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Box and Whisker Plots

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Box and Whisker Plots To the tune of: Verse 1 So, sit right back and I ll tell a tale. A tale of a guy named Scott. He figured out the way to draw a Box and Whisker ... – PowerPoint PPT presentation

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Title: Box and Whisker Plots


1
Box and Whisker Plots
  • To the tune of

2
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)

3
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
4
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
5
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)

6
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)

7
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)

8
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)

9
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)

10
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)

11
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)

12
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!)
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