Guide
for performing a One-sample t-test on the TI-83Guide
for performing a One-sample t-test on the TI-83
1. Put the data for the activity onto a TI-83 calculator using a graph link.
2. Press the 
button and the statistics menu will appear. Press 
twice and confirm that TESTS is highlighted on the top row.
Scroll down using the 
key to choice
2: T-Test. Press the 
button.
In the t-test menu, select "Data" for
Inpt. Then scroll down using the key to µo:
and enter the "known or
expected" value for µo. Scroll down using the key
to "List." Either enter a numbered list (L2) or press the 
key and then the key to get to the Named List window. Select the list containing the data set and press .
Press the key until "≠µo" is
highlighted. Press the to
select "<µo"
to make HA: µ<µo.
Move the cursor down and select "Calculate." Now press .
The screen will display the results of the t-test. If the mean is significantly lower than the "known or expected" value , the p value will be less than the alpha level you selected. For example alpha = 0.05 .
Original work on this document was
done by Central Virginia Governor's School students
Maury Hiller, Adam Stanley,
and Irene Tsuei (Class of '03).