HP 39g+ - Manual (Page 129)

Inference aplet 9-15
Inputs The inputs are:
Results The results are:
Field name Definition
Sample 1 mean.
Sample 2 mean.
S1 Sample 1 standard deviation.
S2 Sample 2 standard deviation.
n1 Sample 1 size.
n2 Sample 2 size.
α
Significance level.
_Pooled? Check this option to pool samples based on
their standard deviations.
x1
x2
Result Description
Test T T–Test statistic.
Prob Probability associated with the T–Test
statistic.
Critical T Boundary values of T associated with
the
α
level that you supplied.