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statpsych (version 2.0.0)

test.prop: Hypothesis test for a proportion

Description

Computes a continuity-corrected z-test for a population proportion in a 1-group design. A confidence interval for a population proportion is a recommended supplement to the z-test (see ci.prop).

For more details, see Section 1.7 of Bonett (2021, Volume 3)

Usage

test.prop(f, n, h)

Value

Returns a 1-row matrix. The columns are:

  • Estimate - ML estimate of proportion

  • z - z test statistic

  • p - two-sided p-value

Arguments

f

number of participants who have the attribute

n

sample size

h

null hypothesis value of proportion

References

Snedecor1980statpsych

Bonett2021statpsych

Examples

Run this code
test.prop(76, 100, .6)

# Should return:
# Estimate      z       p
#     0.76 3.1639 0.00156


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