An R Introduction to Statistics

mean

Interval Estimate of Population Mean with Unknown Variance

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

Interval Estimate of Population Mean with Known Variance

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

Point Estimate of Population Mean

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

Mean

A tutorial on computing the mean of an observation variable in statistics.

Category Statistics

A tutorial on computing numerical measures of qualitative data in a data sample.