CI {smallstuff}

Normal Confidence Interval

Description

Confidence interval for a normally distributed sample mean

Usage

CI(x = 0, s = 1, n = 1, level = 0.95)

Arguments

x

sample mean

s

standard deviation

n

sample size

level

confidence level

Value

vector with two values containing the confidence interval for the sample mean

Examples

CI()
CI(150,5,30,.9)