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, lower quartile, median, upper quartile, and maximum.

Front

What does the lower quartile represent in a Box and Whisker Plot?

Back

The lower quartile (Q1) is the value below which 25% of the data falls.

Front

How do you find the median in a data set?

Back

To find the median, arrange the data in ascending order and locate the middle 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). It measures the spread of the middle 50% of the data.

Front

What does the maximum value represent in a Box and Whisker Plot?

Back

The maximum value is the highest data point in the set.

Front

What is the purpose of a Box and Whisker Plot?

Back

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

Front

How do you determine the upper quartile in a data set?

Back

The upper quartile (Q3) is the value below which 75% of the data falls.

Front

What is an outlier in a Box and Whisker Plot?

Back

An outlier is a data point that is significantly higher or lower than the other data points in the set.

Front

What percent of data falls between the lower quartile and the upper quartile?

Back

50% of the data falls between the lower quartile (Q1) and the upper quartile (Q3).

Front

How can you identify the median from a Box and Whisker Plot?

Back

The median is represented by the line inside the box of the Box and Whisker Plot.