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246 Inference app
Results The results are:
One-Proportion Z-Test
Menu name Z-Test:
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 proportion of successes is an assumed value,
0
:=
0
.
You select one of the following alternative hypotheses
against which to test the null hypothesis:
H
0
: <
0
H
0
: >
0
H
0
: ≠
0
Inputs The inputs are:
Result Description
Test Z Z-Test statistic
Test Difference in the means associ-
ated with the test Z-value
P Probability associated with the
Z-Test statistic
Critical Z Boundary value(s) of Z associated
with the level that you supplied
Critical Difference in the means associ-
ated with the level you supplied
x
x
Field name Definition
x Number of successes in the sample
n Sample size
0
Population proportion of successes
Significance level