propztest: z-test for proportion and confidence interval
In jungd/ImproveISCAM: Investigating Statistical Concepts, Applications, and Methods

z-test for proportion and confidence interval

1 2	propztest(observed, n, hypothesized = NULL, alternative = "two.sided", conf.level = NULL)

`observed`	number of successes or sample proportion
`n`	sample size
`hypothesized`	probability of successes
`alternative`	less, greater, or two.sided
`conf.level`	for a two-sided confidence interval

z test result

propztest(3, 13, 1/2, "greater")
propztest(3, 13, 1/2, "less")
propztest(3, 13, 1/2, "two.sided")
propztest(3, 13, conf.level=c(90,95))

jungd/ImproveISCAM documentation built on May 20, 2019, 4:24 a.m.

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