This video describes the formula for calculating a mean or average of a particular dataset, and then provides a practical example of how to apply the formula, using a small example dataset.

Calculating the variance and standard deviation of a dataset

This video shows you how to calculate the standard deviation and the variance of a dataset, using a small example dataset. It with an expansion of the basic formula for the sample variance and then applied the formula to a small example dataset.

Numeric frequency distributions and histograms

This video shows you how to create a frequency distribution, using numeric data, and a histogram, based on the frequency distribution.