1. Gather your data 2. organize your data from least to greatest 3. find the median of the data set 4. find the first and third quartiles 5. draw a plot line 6. mark your first, second and third quartiles on the plot line you created 7. make a box by drawing a horizontal line connecting your quartiles 8. make your outliers 9. connect your outliers to the box with the horizontal line and there you go