Zinterval – Texas Instruments TI-84 User Manual

Page 355

Chapter 13: Inferential Statistics and Distributions

352

ZInterval

ZInterval

(one-sample

confidence interval; item

) computes a confidence interval for

an unknown population mean

m when the population standard deviation s is known. The

computed confidence interval depends on the user-specified confidence level.

In the example:

L1={299.4 297.7 301 298.9 300.2 297}

Data

Stats

Input:

Calculated

results: