HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Strona 323

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H
0
: π < π
0
H
0
: π > π
0
H
0
: π ≠ π
0
Inputs
The inputs are as follows:
Field name Description
x Number of successes in the sample
n Sample size
π
0
Population proportion of successes
α Signicance level
Results
The results are as follows:
Result Description
Test Z Z-Test statistic
Test
Proportion of successes in the sample
P Probability associated with the Z-Test statistic
Critical Z Boundary value(s) of Z associated with the α level that you supplied
Critical
Proportion of successes associated with the level you supplied
Two-Proportion Z-Test
Menu name
Z-Test: π
1
– π
2
On the basis of statistics from two samples, each from a dierent population, this test measures the strength
of the evidence for a selected hypothesis against the null hypothesis. The null hypothesis is that the
proportions of successes in the two populations are equal, H
0
: π
1
= π
2
.
You select one of the following alternative hypotheses against which to test the null hypothesis:
H
0
: π
1
< π
2
H
0
: π
1
> π
2
H
0
: π
1
≠ π
2
Inputs
The inputs are as follows:
Hypothesis tests 275
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