Math 7 - Modules 10 & 11 Vocabulary

A measure used to describe the middle of a data set. Also called measure of central tendency.

• Measure of Center

• Mean

• Median

• Mode

The sum of the items in a set of data divided by the number of items in the set; also called average.

• Measure of Center

• Mean

• Median

• Mode

The middle number or the mean (average) of the two middle numbers in an ordered set of data.

(Also known as Q2)

• Measure of Center

• Mean

• Median

• Mode

The number or numbers that occur most frequently in a set of data

• Measure of Center

• Mean

• Median

• Mode

In statistics, the difference between the greatest and least values in a data set.

• Range

• Minimum

• Maximum

• Box Plot

The least value

in a data set.

• Range

• Minimum

• Maximum

• Box Plot

The greatest

value in a data set.

• Range

• Minimum

• Maximum

• Box Plot

A graph that shows how data are distributed by using the median, quartiles, least value, and greatest value

• Range

• Minimum

• Maximum

• Box Plot

Three values, one of which is the median, that divide a data set into fourths, each representing 25% of the data

• Quartile

• Lower Quartile

• Upper Quartile

• Measure of Spread

The median of the

lower half of the data

(Also known as Q1)

• Quartile

• Lower Quartile

• Upper Quartile

• Measure of Spread