Front

Mode

Back

The value that appears most frequently in a data set.

Front

Mean

Back

The sum of all values in a data set divided by the number of values; also known as the average.

Front

Average

Back

A measure of central tendency, often referring to the mean.

Front

Median

Back

The middle value in a data set when the values are arranged in ascending or descending order.

Front

Range

Back

The difference between the highest and lowest values in a data set.

Front

Interquartile Range

Back

The difference between the first quartile (25th percentile) and the third quartile (75th percentile) in a data set.

Front

Skewed

Back

A distribution that is not symmetrical, where one tail is longer or fatter than the other.

Front

Variability

Back

The extent to which data points in a data set differ from the mean or from each other.

Front

Distribution

Back

The way in which values in a data set are spread or dispersed.