1. Statistics Screens for TI Graphing Calculators
Button Button
Allows you to: Select 1, then hit enter!
Gives you:
There are ____ lists
available.
To clear lists:
Clear each entry individually or
2nd ENTER
DO NOT EVER
DELETE LISTS!
Example #1
Enter the following data set into L1.
Record all of the statistical information from 1-Var Stats below.
Calculate the IQR of the data set.
Is the data value 35 an outlier? Justify your conclusion.
STAT
STAT
Edit Lists
Gives you all the statistical info you need for a specific list
NOTE: L1 is the default. If you want to use a different list, you must type the list number in after you hit 1-Var Stats.
EASY ACCESS: Use the 2nd function with the numbers 1-6. 6
Mean (average)
Sum of all x values
Sum of (x values squared)
STANDARD DEVIATION with small pop.
Standard Deviation with “mega” large pop.
Number of data pieces
Lower Extreme (low data value)
Quartile 1 (Lower Quartile)
Median
Quartile 3 (Upper Quartile)
Upper Extreme (high data value)