This tutorial describes the process for creating a histogram on a TI-84 Graphing Calculator.
Select [2nd[ [Stat Plot]. Use the arrow keys to turn the Stat Plot "On". Press 'ENTER'. Then use the arrow keys to select the Histogram Icon. Press 'ENTER' to select. Note: Be sure that there are no graphs in the [Y=] button that will graph over your histogram!
After selecting ZOOM, press the number "9" on the key pad. Or use the arrow keys to scroll down to number 9 and press 'ENTER'.
Use the arrow keys to scroll down to the Xscl. Type in the new numbers. Press 'ENTER'.