Inputs, Field name, Definition – HP 39g+ User Manual
Page 128: Results, Result, Description, One-sample t-test, Menu name
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Inference aplet
Inputs
The inputs are:
Results
The results are:
One-Sample T-Test
Menu name
T-Test: 1
µ
The One-sample T-Test is used when the population
standard deviation is not known. On the basis of statistics
from a single sample, this test measures the strength of the
evidence for a selected hypothesis against the null
hypothesis. The null hypothesis is that the sample mean
has some assumed value,
Η
0
:µ = µ
0
You select one of the following alternative hypotheses
against which to test the null hypothesis:
Field name
Definition
X1
Sample 1 mean.
X2
Sample 2 mean.
n1
Sample 1 size.
n2
Sample 2 size.
α
Significance level.
Result
Description
Test
π1–π2
Difference between the
proportions of successes in the
two samples.
Test Z
Z-Test statistic.
Prob
Probability associated with the
Z-Test statistic.
Critical Z
Boundary values of Z
associated with the
α level that
you supplied.
H
1
:
µ µ
0
<
H
1
:
µ µ
0
>
H
1
:
µ µ
0
≠