# Old Faithful Bell Ringer

- Author:
- Mariann Telford

- Topic:
- Statistics

## Waiting Time in Minutes between Successive Eruptions of the Old Faithful Geyser

Move the histogram slider all the way to the left. What do you notice about the histogram intervals? Is the graph visually appealing?

Slowly move the histogram slider to the right. Has your impression of the information provided by the histogram changed? If so, what changed?

Move the histogram slider to where you feel is a good interval spacing for the histogram. What is your chosen interval spacing? Why did you choose this interval spacing?

Change the graph from a histogram to a box plot by selecting "Box Plot" from the drop down menu at the top of the graph. Do you think this data is better represented by a histogram or box plot? Explain.

What measure of center would you use for this data set? (Mean, Median, Mode) Why would you choose this measure of center?