1. Box and Whisker Plots 50%
Step 1 – Order the series of numbers from least to greatest
Step 2 – Find the median of the numbers (the middle number)
you might have to average two numbers
- This is the 2nd quartile
85.5
Step 3 – Find the median of the numbers from the second quartile
to the lowest number (This is the 1st quartile) 76
Step 4 – Find the median of the numbers from the second quartile
to the greatest number (This is the 3rd quartile) 95
Step 5 – Plot the numbers and quartiles on a number line
that only includes the range