13.8 Box-and-Whisker Plots

At a tennis tournament, the organizers gather data regarding players' ages. This plot shows the results. What is the upper quartile?

The local utility company released a report showing the August electric bills of their customers. What is the range?

A manager at a chain of electronic stores is reviewing monthly sales reports of MP3 players. What is the maximum value?

For a science project, Jezzy recorded the low temperature in her hometown for several days. What is the median?

Ms. Jackson asked the students in her class how long their families spent making dinner each night. What is the lower quartile?

Jon wants to buy a new car and is curious to see what the price difference is at dealerships in different cities nearby. What is the cheapest car priced at?

The roster for the football team lists every player's weight. What is the range?

Ben recorded the low temperatures in Lakeville each day for several days. What is the interquartile range?

The marketing director at a grocery store monitored the number of customers from day to day. What is the interquartile range?

For an upcoming article, an environmental magazine asked its readers to specify how long their showers lasted. What percentage of the people shower for between 6 and 14 minutes?

• 25%

• 50%

• 75%

• 100%