Chapter 8: Statistics Vocabulary Flashcard

Front

Definition: The difference between the upper and lower quartiles.

Back

Interquartile Range

Front

A graphical device that summarizes data by the number of dots above each data value on the horizontal axis.

Back

Dot Plot

Front

A sample that is selected so that it is representative of the entire population.

Back

Representative sample

Front

Definition: evidence; information gathered from observations.

Back

Data

Front

Two box plots graphed on the same number line.

Back

Double Box Plot

Front

Definition: A measure of the center of a data set, which divides the data into two equal parts.

Back

Median

Front

A type of graph that uses bars to show the frequency of data within certain intervals.

Back

Histogram

Front

The value that occurs most frequently in a data set.

Back

Mode

Front

A method of collecting data where the sample is taken from a specific group that is easy to reach.

Back

Convenience sample

Front

A visual representation of data that uses a box and whiskers to show the distribution of data points.

Back

Box Plot