HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Strona 325

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Results
The results are as follows:
Results Description
Test Z Z-Test statistic
Test Δ
Dierence between the proportions of successes in the two samples that is associated
with the test Z-value
P Probability associated with the Z-Test statistic
Critical Z Boundary value(s) of Z associated with the α level that you supplied
Critical Δ
Dierence in the proportion of successes in the two samples associated with the α level
you supplied
One-Sample T-Test
Menu name
T-Test: 1 μ
This 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, H
0
: μ = μ
0
.
You select one of the following alternative hypotheses against which to test the null hypothesis:
H
0
: μ < μ
0
H
0
: μ > μ
0
H
0
: μ ≠ μ
0
Inputs
The inputs are as follows:
Field name Description
Sample mean
s Sample standard deviation
n Sample size
μ
0
Hypothetical population mean
α Signicance level
Hypothesis tests 277
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