Box and Whisker Plots

Front

What is a Box and Whisker Plot?

Back

A Box and Whisker Plot is a graphical representation of a data set that shows its minimum, first quartile, median, third quartile, and maximum.

Front

What does the median represent in a data set?

Back

The median is the middle value of a data set when it is ordered from least to greatest.

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 number. If there is an even number of values, average the two middle numbers.

Front

What is the interquartile range (IQR)?

Back

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

Front

What does the first quartile (Q1) represent?

Back

The first quartile (Q1) is the median of the lower half of a data set, representing the 25th percentile.

Front

What does the third quartile (Q3) represent?

Back

The third quartile (Q3) is the median of the upper half of a data set, representing the 75th percentile.

Front

What percent of data falls within the interquartile range (IQR)?

Back

50% of the data falls within the interquartile range (IQR).

Front

How many sections does a Box and Whisker Plot divide the data into?

Back

A Box and Whisker Plot divides the data into four sections.

Front

What percent does each section of a Box and Whisker Plot represent?

Back

Each section of a Box and Whisker Plot represents 25% of the data.

Front

What is the purpose of a Box and Whisker Plot?

Back

The purpose of a Box and Whisker Plot is to visually summarize the distribution of a data set and identify outliers.