5 Number Summary

Front

What is the 5 Number Summary?

Back

The 5 Number Summary consists of five key statistics that summarize a data set: Minimum, Q1 (First Quartile), Median, Q3 (Third Quartile), and Maximum.

Front

What does the Minimum represent in a data set?

Back

The Minimum is the smallest value in a data set.

Front

What does the Maximum represent in 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 numbers in order and identify the middle value. If there are two middle values, calculate their average.

Front

What is Q1 (First Quartile)?

Back

Q1 is the median of the lower half of a data set, representing the 25th percentile.

Front

What is Q3 (Third Quartile)?

Back

Q3 is the median of the upper half of a data set, representing the 75th percentile.

Front

How do you calculate the Upper Quartile (Q3)?

Back

To calculate Q3, first find the median of the upper half of the data set after sorting it.

Front

What is the purpose of the 5 Number Summary?

Back

The 5 Number Summary provides a quick overview of the distribution, spread, and center of a data set.

Front

Given the data set 6, 7, 2, 1, 5, 2, 1, 6, what is Q1?

Back

Q1 is 1.5.

Front

Given the data set 33, 25, 42, 25, 31, 37, 46, 29, 38, what is the third quartile (Q3)?

Back

Q3 is 40.