Box Plots

Example

We will use our Zillow data from before

38 60 60 70 90 101 250

Recall that we had:

Q1=60

Q2=70

Q3=101

Step 0: 

Draw a number line starting at your minimum value and ending at your maximum value

line for box plot example

Step 1:

Draw a box from Q1 to Q2

box for boxplot example

Step 2: 

Split the box with a vertical line at the median

median for boxplot example

Step 3: 

Draw a line from Q1 to the minimum value

boxplot with lower whisker

Step 4:

Draw a line from Q3 to the maximum value

finished boxplot example