pwr.z.test: Power of a Z-Test for Population Mean

In alurie43/stats4332: Statistics 4332 Functions

Description

Computes the Power of a Z-test for the Population Mean

Usage

pwr.z.test(m0, m1, sd, n, sig.level = 0.05, alternative = "two.sided")

Arguments

m0	The value of the population mean from the null hypothesis
m1	An alternative value of the population mean
sd	Population standard deviation
n	Sample size
sig.level	Significance level, default is 0.05
alternative	type of alternative, with values "two.sided","less" or "greater", default is "two.sided"

Value

Power of the test

Examples

pwr.z.test(m0 = 3, m1 = 2.5, sd = 1, n = 15,
sig.level = 0.01, alternative = "two.sided")
pwr.z.test(m0 = 3, m1 = 3.5, sd = 1, n = 20,
sig.level = 0.10, alternative = "greater")

alurie43/stats4332 documentation built on Dec. 19, 2021, 1:37 a.m.