Understanding Box and Whisker Plots

This video tutorial explains how to read a box and whisker plot. It covers the components of the plot, including the box, whiskers, median, quartiles, maximum, and minimum values. The tutorial also explains how to calculate the range and interpret the data in terms of quartiles and percentages.

What does the line inside the box of a box and whisker plot represent?

• The average of the data

• The range of the data

• The median of the data

• The mode of the data

What is the lower quartile (Q1) in a box and whisker plot?

• The smallest value in the data set

• The average of the data set

• The median of the data from the median down

• The median of the entire data set

How is the upper quartile (Q3) defined in a box and whisker plot?

• The median of the data from the median up

• The range of the data set

• The largest value in the data set

• The average of the data set

How do you calculate the range in a box and whisker plot?

• Subtract the minimum from the maximum

• Add the maximum and minimum values

• Find the difference between Q1 and Q3

• Multiply the median by two

What percentage of data is represented by each quartile in a box and whisker plot?

• 10%

• 50%

• 20%

• 25%