Texas Instruments TI-86 Manual Book page 18

Assembly Language Programming: Inferential Statistics and Distribution Functions
Input
Calculated
Results
TInt2
This two-sample t confidence interval, shown as
computes a confidence interval for the difference between two population means
Nm ) when both population standard deviations ( s
(m
1 2
computed confidence interval depends on the user-specified confidence level.
In the example:
SAMP1= {12.207 16.869 25.05 22.429 8.456 10.589}
{11.074 9.686 12.064 9.351 8.182 6.642}
SAMP2=
The pooled option is available for
variances can be unequal.
equal.
Data
$
2-SampTInt
and
TInt2 Tsam2
means that population variances are assumed to be
Yes
Stats
$
in the editor,
and s
) are unknown. The
1 2
only. means that population
No
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