Exploring Box and Whisker Plots

What percentage of data does each section of a box and whisker plot represent?

• 25%

• 50%

• 75%

• 100%

What is the purpose of the whiskers in a box and whisker plot?

• To show the median of the data

• To display the mean of the data

• To represent the interquartile range

• To indicate the range from the smallest to the largest values

How many data points are used to create the initial example of a box and whisker plot?

• Twelve

• Fourteen

• Eight

• Ten

What does Q1 represent in a box and whisker plot?

• The median of the data

• The smallest value

• The first quartile

• The third quartile

What is the median value in the initial example used to demonstrate the box and whisker plot?

• 19

• 17.5

• 15

• 20

How is the interquartile range represented in a box and whisker plot?

• Through the whiskers

• By the box

• By the median line

• None of the above

In the example with an odd number of data points, what is the median?

• 16

• 17

• 20

• 25

What is the value of Q3 in the example with an odd number of data points?

• 25

• 16

• 14

• 20

What should students be able to do before coming into class regarding box and whisker plots?

• Interpret a plot for real-life data

• Identify the lowest data point, Q1, median, Q3, and the highest data point

• Create a plot using a calculator

• All of the above

What should students be able to do after leaving class regarding box and whisker plots?

• Identify the lowest data point, Q1, median, Q3, and the highest data point

• Interpret a plot for real-life data

• All of the above

• Create a plot using a calculator