Box & Whisker Plots

Front

What is a Box & Whisker Plot?

Back

A Box & Whisker Plot is a graphical representation of a data set that shows its minimum, first quartile (Q1), median, third quartile (Q3), and maximum values.

Front

What does the term 'quartile' mean?

Back

A quartile is a type of quantile that divides a ranked data set into four equal parts, each containing 25% of the data.

Front

What is the median 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 upper quartile (Q3)?

Back

To find Q3, order the data set and find the median of the upper half of the data.

Front

What is the minimum value in a data set?

Back

The minimum value is the smallest number in the data set.

Front

What is the maximum value in a data set?

Back

The maximum value is the largest number in the data set.

Front

What is the first step to creating a Box & Whisker Plot?

Back

The first step is to order the data from least to greatest.

Front

What does the 'whisker' represent in a Box & Whisker Plot?

Back

The whiskers represent the range of the data, extending from the minimum value to the maximum value.

Front

What is the interquartile range (IQR)?

Back

The interquartile range (IQR) is the difference between the upper quartile (Q3) and the lower quartile (Q1), representing the middle 50% of the data.

Front

How do you calculate the median of a data set with an even number of values?

Back

To calculate the median, find the average of the two middle numbers after ordering the data.