Press the Random sample button until you find a graph that you wish to guess the mean and median of. Can you find a graph that appears "skewed-right" or "skewed-left"? Can you find one with a more even distribution?

Check the "Guess" boxes next to "Mean" and "Median."

Move the lines to where you think mean and median belong on the distribution.( Note: The mean is red and the median is blue.) Think about whether the mean will be to the left or the right of the median.

Now check the "Actual" boxes next to "Mean" and "Median."

How close was your guess?

Uncheck "Actual" next to "Mean" and "Median" and try again! Try different looking graphs. How close can you get to the actual value? Do you notice a relationship between the shape of the graph and where the mean and median are located?

Click on the largest observation and move it to the right. HOw do the mean and median change?