Elementary Statistics with R

A tutorial on computing the sampling size for the desired margin of error of population mean estimate at given confidence level.

A tutorial on computing the interval estimate of population mean at given confidence level. The variance of the population is assumed to be unknown.

A tutorial on computing the interval estimate of population mean at given confidence level. The variance of the population is assumed to be known.

A tutorial on computing the point estimate of population mean from a simple random sample.

It is a common requirement to efficiently estimate population parameters based on simple random sample data. In the R tutorials of this section, we demonstrate how to compute the estimates. The steps are to be illustrated with a built-in data frame named survey. It is the outcome of a Statistics student survey in an Australian university.

A tutorial on the Chi-squared distribution.

A tutorial on the Student t distribution.

A tutorial on the normal distribution.

A tutorial on the exponential distribution.

A tutorial on the continuous uniform probability distribution.