Statistics Vocabulary

a graph that measures the spread of the data, including the minimum, the first quartile, the median, the third quartile, and the maximum

• coordinate plane

• box plot

a statistical measure of data, often the mean or the median

• center

• variation

a measure of variability between the first and the third quartiles

• median

• interquartile range

a measure of center, found by ordering the values from least to greatest and determining the middle number

• median

• range

a measure of center, found by finding the sum of the data values and dividing by the number of pieces of data

• median

• mean

the range of data (distance between lowest point and highest point)

• spread

• median

the process of drawing conclusions about a population based on a sample or a subset of the data

• range

• inference

a graph that is used to compare frequency

• dot plot

• interquartile range

The difference between the 3rd quartile and the 1st quartile in a set of data.

The data value that occurs the most often.