Sampzint – Texas Instruments TI-84 User Manual
Page 357
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Chapter 13: Inferential Statistics and Distributions
354
2-SampZInt
2-SampZInt
2-SampZInt
2-SampZInt
2-SampZInt
(two-sample
z
confidence interval; item
9
) computes a confidence interval for
the difference between two population means (
m
1
Nm
2
) when both population standard
deviations (
s
1
and
s
2
) are known. The computed confidence interval depends on the
user-specified confidence level.
In the example:
LISTC={154 109 137 115 140}
LISTD={108 115 126 92 146}
Data
Stats
Input:
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