9.5 Five Number Summary

Front

What is the minimum of a data set?

Back

The minimum is the smallest value in a data set.

Front

What is the maximum of a data set?

Back

The maximum is the largest value in a data set.

Front

How do you find the median of a data set?

Back

To find the median, arrange the data in ascending order and identify the middle value.

Front

What is the median of the data set: 2, 7, 8, 3, 9, 8, 12?

Back

The median is 8.

Front

What is the median of the data set: 3, 5, 2, 1, 4, 5, 8?

Back

The median is 4.

Front

What is a quartile in statistics?

Back

A quartile is a type of quantile that divides a data set into four equal parts.

Front

What is the first quartile (Q1)?

Back

The first quartile (Q1) is the median of the lower half of the data set.

Front

What is the third quartile (Q3)?

Back

The third quartile (Q3) is the median of the upper half of the data set.

Front

What is the interquartile range (IQR)?

Back

The interquartile range (IQR) is the difference between the third quartile (Q3) and the first quartile (Q1).

Front

How do you calculate the five-number summary?

Back

The five-number summary consists of the minimum, Q1, median, Q3, and maximum of a data set.