One-Sample T-Test - HP 39G User Manual

Results
One–Sample T–Test
Menu name
Inputs
Inference aplet
The results are:
Result Description
Test P1–P2 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
T–Test: 1
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,
You select one of the following alternative hypotheses against
which to test the null hypothesis:)
H
H
H
The inputs are:
Field name Definition
Sample mean.
x
Sx Sample standard deviation.
n Sample size.
Hypothetical population mean.
Significance level.
level that you supplied.
: <
1 0
: >
1 0
:
1 0
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