Students will determine mean, mode, range, and median for sets of data. Mean, median, and mode are types of statistics known as measures of central tendency.
Range is a measure of data dispersion.
The Census Bureau uses such measures to describe some of the data it collects about the United States. Depending on what is being studied, different researchers may find one measure more useful than another. The day before your class does this activity, explain to students that they will be conducting a class census. To do this, they will be collecting information from their own households. Your class census will include two questions.