Texas Instruments TI-82 STATS Manual Book page 254

STAT TESTS Menu
(continued)
(one-sample z confidence interval; item ) computes a
ZInterval
ZInterval 7
confidence interval for an unknown population mean m when the
population standard deviation is known. The computed
s
confidence interval depends on the user-specified confidence
level.
In the example:
L ={299.4 297.7 301 298.9 300.2 297}
1
Data Stats
Input:
, ,
Calculated results:
13–16 Inferential Statistics and Distributions