AP Stats Comparing Box Plots

What is the minimum value?

• 64
• 58
• 66
• 60

What is the maximum value?

• 58
• 66
• 64
• 60

What value is the lower quartile (Q1)?

• 66

• 58

• 60

• 64

What data value is the upper quartile (Q3)?

• 64
• 62
• 66
• 58

What is the interquartile range (IQR)?

• 4
• 64
• 60
• 8

The box plots compare the number of points two basketball players scored per game over 20 games last season. Which statement is supported by the information in the box plots?

• Player A has a larger spread of points than Player B

• Player A has a larger median than Player B

• The interquartile range for Player A is the same as Player B's.

• The third quartile is larger for Player A than Play B.

The box plots compare the heights of the girls and the boys in the seventh grade at Heizor Middle School. Which statement is true based on the information in the box plots above?

• The boy's heights have a median about 10 inches larger than the girl's heights.

• The boy's heights have a larger spread than the girls' heights

• At least one boy and one girl are 72 inches tall.

• The first quartile is larger for the boy's height than the girl's height.

The box plots show the number of community service hours by each student in Ms. Alonzo's and Mr. Lee's homeroom classes. Which statment is NOT supported by the information in the box plots above?

• The box plot for Ms. Alonzo's students has a median of 7 hours and the box plot for Mr. Lee's students has a center of 6 hours.

• The box plot for Ms. Alonzo's students has a larger interquartile range than the box plot for Mr. Lee's students.

• At least one student in Mr. Lee's class did 10 hours of community service.

• The maximum is the same for Ms. Alzono's and Mr. Lee's class.

Compare the two box plots that show the results of a final exam in two of Mrs. Leeward's classes. Which statement is true based on the box plots?

• Class 2 has a larger spread in their final exam scores than Class 1 has in their final exam scores.

• Class 2 has a median score of 85 and Class 1 has a median score of 80.

• Class 1 has a minimum score of 50 and Class 2 has a maximum score of 100.

• Class 2 has a larger interquartile range than Class 1

Compare these two box plots. Which statement is true based on the box plots?

• Plot 2 has a larger spread than Plot 1

• Plot 1 and Plot 2 both have a median of 60

• Plot 1 has a minimum of 30 and Plot 2 has a maximum score of 75

• Plot 2 has a larger interquartile range