Texas Instruments TI-83 PLUS - Manual (Page 386)

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.