Texas Instruments TI-82 STATS User Manual

Inferential Statistics and Distributions 13–17
8250FC~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 1:39 PM Printed: 10/27/05 2:57
PM Page 17 of 36
TInterval (one-sample t confidence interval; item 8) computes a
confidence interval for an unknown population mean m when the
population standard deviation s is unknown. The computed
confidence interval depends on the user-specified confidence
level.
In the example:
L6={1.6 1.7 1.8 1.9}
Data Stats
Input:
,,
Calculated results:
TInterval

Texas Instruments TI-82 STATS Specifications

General

Type	Graphing Calculator
Display	LCD
Resolution	96 x 64 pixels
Characters	16 x 8
Processor	Zilog Z80
Programming	TI-BASIC
Memory	28 KB RAM
Power	4 AAA batteries
Connectivity	Link port