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One-proportion z-test – HP Prime Graphing Calculator User Manual

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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