Double Dot Plot

The double box plot shows the daily attendance for two fitness clubs for one month. Based on the information in the double box plots, which of the following is true?

• The minimum weight for house cats is 2 pounds greater than the minimum weight for small dogs.

• The median weight for house cats is less than the median weight for small dogs.

• The data for both house cats and small dogs is symmetrical.

• Overall, small dogs weigh more than house cats.

The double dot plot shows the gas mileage, in miles per gallon, for several cars and SUVs. Which statement is best supported by the information in the dot plots?

• The minimum gas mileage for SUVs is greater than the minimum gas mileage for cars.

• The median for cars is 5 miles per gallon higher than the median for SUVs.

• The maximum gas mileage for cars is 28 miles per gallon.

• The range in gas mileage is greater for SUVs than cars.

The double dot plot shows Katie and Danielle’s resting heart rates in beats per minute after 10 morning workouts. Which of the following statements is NOT supported by the dot plots?

• The range in Katie’s heart rate is less than the range in Danielle’s heart rate.

• The data for Danielle’s heart rate is symmetrical, but the data for Katie’s heart rate is not symmetrical.

• Katie’s median heart rate is 6 beats per minute less than Danielle’s median heart rate.

• The mode for Katie’s heart rate is 10.

Which is TRUE?

• The range is greater for Group 1 than Group 2.

• The median for Group 1 is 35 hours.

• The median for Group 2 is 26 hours.

• The data for Group 2 is more symmetrical than the data for Group 1.

Which is FALSE?

• There is a greater range in the number of junk emails Marcus receives than the number Anders receives.

• The number of junk emails received by both boys is asymmetrical.

• The minimum number of junk emails received by Marcus is less than the minimum number of junk emails received by Anders.

• The mode for Marcus is 7, and the mode for Anders is 5.