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# Box and Whisker Plots - PowerPoint PPT Presentation

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 plot Repeat (A box and whisker plot). Verse 2. He said, “Take your pencil and write the numbers

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Presentation Transcript

### Box and Whisker Plots

To the tune of:

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 plot

Repeat (A box and whisker plot)

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

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

Now, concentrate on the lower half.

It takes a little while.

Circle the number in the middle.

It’s called the lower quartile.

Repeat: (It’s called the lower quartile)

Now, switch your attention to the other half.

And do it with a smile!

Circle the number in the middle,

It’s called the Upper Quartile.

Repeat: (It’s called the Upper Quartile)

This is so exciting now.

Because we’re almost done.

We need to write four numbers in a row

On a number line.

Repeat: (on a number line)

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)

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)

Hey, did you forget the whisker part?

My teacher said, “That’s 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)

Next, we need to remember that

The data on each whisker part

Makes 25 percent of the plot

And now we’re truly smart.

Repeat (Yes, now we’re truly smart)

So, that’s the end of our tale about Scott.

NO, he really doesn’t exist.

But now you can remember the steps

Without writing a list.

Repeat : (Without writing a list!)