TI-83 Plus Inferential Statistics and Distributions 383
Enter the other nine height values the same
way.
4. Press … | to display the STAT TESTS menu,
and then press † until 8:TInterval is highlighted.
5. Press Í to select 8:TInterval. The inferential
stat editor for TInterval is displayed. If Data is not
selected for Inpt:, press | Í to select Data.
Press † and [H] [G] [H] [T] at the List: prompt
(alpha-lock is on).
Press † † Ë 99 to enter a 99 percent
confidence level at the C.Level: prompt.
6. Press † to move the cursor onto Calculate, and
then press Í. The confidence interval is
calculated, and the TInterval results are
displayed on the home screen.