Tinterval - Texas Instruments TI-83 Manual Book

TInterval

(one-sample confidence interval; item ) computes a
TInterval t 8
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:
L ={1.6 1.7 1.8 1.9}
6
Data Stats
Input:
, ,
Calculated results:
TI-83 Plus Inferential Statistics and Distributions 406