Texas Instruments TI-84 - Manual (Page 356)

Chapter 13: Inferential Statistics and Distributions 353
TInterval TInterval TInterval TInterval
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: