Statistics Concepts

Front

Mean

Back

The sum of all values divided by the number of values.

Front

Median

Back

The middle number in an ordered data set.

Front

Mode

Back

The most frequently occurring number in a data set.

Front

Range

Back

The difference between the highest and lowest values.

Front

Outlier

Back

A data point that is much higher or lower than the rest of the data.

Front

Interquartile Range (IQR)

Back

The spread of the middle 50% of data.

Front

Mean Absolute Deviation (MAD)

Back

The average distance of each data point from the mean.

Front

Absolute Deviation

Back

The distance between a data point and the mean.

Front

Dot Plot

Back

A graph that shows how often each data value appears using dots.

Front

Histogram

Back

A graph that groups numerical data into intervals using bars.