Hp 39g Graphing Calculator Manual do Utilizador Página 131

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