Tinterval – Texas Instruments TI-83 PLUS User Manual
Page 409
TI-83 Plus
Inferential Statistics and Distributions
406
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:
L
6
={1.6 1.7 1.8 1.9}
Data
Stats
Input:
,
,
Calculated results:
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