Comparing Box Plots

Which are true statements when comparing the data in the box plots? Select three choices.

• The data for elementary school are more consistent than those for middle school.

• More of the data for middle school lie closer to the median than the data for elementary school.

• About 50% of elementary school students watch between 4 and 7 hours of television each week.

• About one-half of middle school students watch less than 2 hours of television each week.

• On average, middle school students watch less television than elementary school students each week.

Tags

CCSS.7.SP.B.4

Which statement compares the median wind speeds for the data in the two box plots?

• The median wind speed for country A is greater than the median wind speed for country B.

• The median wind speed for country B is greater than the median wind speed for country A.

• The median wind speed for country A is about 7 miles per hour, and the median wind speed for country B is about 9 miles per hour.

• The median wind speed for each country is about 4 miles per hour.

Tags

CCSS.7.SP.B.4

Which correctly compares the interquartile ranges?

• The interquartile range for cars is about 12 mpg, and the interquartile range for minivans is about 12 mpg. 

• The interquartile range for cars is about 7 mpg, and the interquartile range for minivans is about 3 mpg.

• The interquartile range for cars is about 24 mpg, and the interquartile range for minivans is about 19 mpg.

• The interquartile range for cars is about 8 mpg, and the interquartile range for minivans is about 7 mpg.

Tags

CCSS.7.SP.B.4

Devonte inferred that his French scores have less variability than his Spanish scores. Which explains whether Devonte’s inference is correct?

• Devonte is correct because the range is greater for French.

• Devonte is correct because the interquartile range is less for French.

• Devonte is not correct because his highest grade is in Spanish.

• Devonte is not correct because the interquartile range is less for Spanish.

Tags

CCSS.7.SP.B.4

Which statement describes the symmetry of the data in the two box plots?

• The data in country A are more symmetric than the data in country B.

• The data in country B are more symmetric than the data in country A.

• The data in both countries have about the same symmetry.

• The symmetry of the data cannot be determined by looking at the box plots.

Which animal shelter has the dog that weighs the least?

• Shelter A

• Shelter B

• Both shelters have a dog with the lowest weight of 8 pounds.

• Both shelters have a dog with the lowest weight of 10 pounds.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Josef says that the range for the car data is greater than the range for the minivan data because the box in the box plot for the car data is wider. Which explains Josef’s error?

• Josef confused the range and the interquartile range.

• Josef confused the range and the median.

• Josef should have compared the medians and minimum values.

• Josef should have compared the medians and maximum values.

Tags

CCSS.7.SP.B.4

Which statement compares the median speeds for the data in the two box plots?

• The median speed in race A is about 142 miles per hour, and the median speed in race B is about 140 miles per hour.

• The median speed in race A is about 120 miles per hour, and the median speed in race B is about 125 miles per hour.

• The median speed in both races is about 165 miles per hour.

• The median speed in race A is about 153 miles per hour, and the median speed in race B is about 145 miles per hour.

Which table correctly compares the measures of center and the measures of variability?

• 
• 
• 
• 

Tags

CCSS.HSS.ID.A.3

Which explains, on a given day, which island is more likely to have a wind speed close to its median?

• Island A because the median is closer to one end of the box in the box plot.

• Island B because the median is closer to the center of the box in the box plot.

• Island A because it has a smaller interquartile range.

• Island B because it has a larger interquartile range.

Tags

CCSS.7.SP.B.4