How to Use Statistics on the TI-84 Calculator

Here is a common workflow for entering list data, calculating one-variable statistics and creating a scatter plot.

1. Enter data into lists

Press STAT → 1:Edit. Enter values in L1. Use L2 for paired data such as x and y values.

2. Calculate 1-Var Stats

1. Press STAT.
2. Move to CALC.
3. Select 1:1-Var Stats.
4. Specify L1 when required by the model/OS workflow.
5. Press ENTER to calculate.

Typical output includes the mean, sums, sample and population standard deviation, and summary values such as minimum and quartiles.

3. Create a scatter plot

1. Put x-values in L1 and y-values in L2.
2. Open STAT PLOT with 2nd → Y=.
3. Turn Plot1 on and choose the scatter plot type.
4. Set Xlist to L1 and Ylist to L2.
5. Use ZOOM → 9:ZoomStat to fit the data.

Open the calculator →