
In this lesson you will learn how to collect data about a population by identifying a sample of the population.

In this lesson you will learn how to identify representative samples by differentiating between biased and unbiased methods of sampling.

In this lesson you will learn how to make inferences about a population with an unknown characteristic by analyzing random samples.

In this lesson you will learn to compare two data sets by looking at their means and mean absolute deviations.

In this lesson you will learn how to informally compare two populations by using the range and interquartile range.