A descriptive summary of a dataset through a single value that reflects the center of the data distribution.

data expressed in numbers

How a set of data changes over time (increases, decreases, stays the same, ect.)

Data that can be divided into specific groups, such as favorite color, age group, type of food, sport, ect.

A table that lists a set of scores and their frequency (how many times each one occurs)

A graphical display of data using bars of different heights that groups numbers into ranges. The height of each bar shows how many fall into each range.

This chart shows the five number summary of a set of data.

A graph that shows information that is connected in some way and often shows change over time.

A graphical display of data using bars of different height. Each bar represents a single category of data.

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

The number of times an even occurs

The average of the numbers, a calculated "central" value of a set of numbers

The "middle" of a sorted list of numbers.

The number which appears the most often in a set of numbers

A value that lies outside most of the other values in a set of data. This could mean it is much smaller or much larger than the other values.

A measure of how spread out the numbers are.