To calculate 1 and 2 variable statistics, follow these steps.

Example: How to calculate 1-variable statistics.
x: 5, 9, 7, 4, 6, 250, 35, 100, 84

1. Select the List Editor icon , or press m and select option 1: Edit.
2. Enter the data into L1.
3. Press m, and press the right arrow key › to CALC.
4. Select 1: 1-Var Stats.
5. Enter L1 for the LIST and let FREQLIST remain blank for the default.
6. Select the softkey for CALCULATE by pressing d or f.
7. The statistics will be displayed. (Press the arrow keys to scroll through the entire list of results.)

Example: How to calculate 2-variable statistics.

x: 3, 5, 8, 10
y: 7, 2, 3, 1

1. Select the List Editor icon , or press m and select option 1: Edit.
2. Enter the data into L1 and L2.
3. Press m, and press the right arrow key › to CALC.
4. Press the down arrow key ≥ to select 2: 2-Var Stats.
5. Enter L1 for the XLIST and L2 for the YLIST and let FREQLIST remain blank for the default.
6. Select the softkey for CALCULATE by pressing d or f.
7. The statistics will be displayed. (Press the arrow keys to scroll through the entire list of results.)

Note: version 7.1 and greater will have correlation coefficient ( r ) included in 2-variable statistics output.