Center Spread of Box Plot

Which statement best compares the spread (range) of the two plots?

• The box plot for Homeroom 1 has a spread that is 3 hours more than the spread of the box plot for Homeroom 2.

• The box plot for Homeroom 1 has a spread that is 1 hour less than the spread of the box plot for Homeroom 2.

• The two plots have the same spread.

• The box plot for Homeroom 2 has a spread that is 1 hour less than the spread of the box plot for Homeroom 1.

Which statement is true based on the information in the box plots above?

• The box plots for Group 1 and Group 2 both have centers (medians) of 25 pages.

• The box plot for Group 2 has a larger range than the box plot for Group 1.

• The interquartile range (IQR) is the same for both plots.

Which statement is NOT true based on the information in the box plots above?

• The lower extreme for the plot for Group 1 is 1 page less than the lower extreme for the plot for Group 2.

• Group 1 has the smaller upper extreme.

• Both plots have a third quartile (Q3) of 27.

Which statement is supported by the information in the box plots shown?

• Group 1 has a larger range of 8 pages and Group 2 has a range of 5 pages.

• Group 1 has a center of 26 pages and Group 2 has a center of 25 pages.

• The distance between the median and the first quartile (Q1) for Group 1 is 2 units and for Group 2 is 1 unit.

What is the difference (subtract) between the interquartile ranges (IQRs) for the two plots?

• 8 years

• 9 years

• 10 years

• 12 years

What is the difference (subtract) between the medians of the two plots?

• 10 years

• 20 years

• 18 years

• 15 year

Which statement is NOT true based on the box plots?

• The Daytime plot has a smaller range than the Evening Plot.

• The minimum age of the Evening plot is 35 years

• The difference between the maximum ages of the two plots is 15 years.

What is the difference (subtract) between the spreads (range) of the two plots?

• 10 years

• 20 years

• 18 years

• 15 years

Which statement is supported by the information in the box plots shown?

• The plots have the same first quartile and the same third quartile.

• Homeroom 2's plot has a larger IQR than the plot for Homeroom 1.

• Homeroom 1's plot has a larger lower extreme than Homeroom 2's plot.

• Homeroom 2's plot has a smaller upper extreme than Homeroom 1's plot.

Which statement is true about the medians of the two groups?

• Group 1 has a median that is 1 unit smaller than the median of Group 2.

• Group 2 has a median that is 1 unit smaller than the median of Group 1.

• Both groups have a median of 9.

• Both groups have a median of 8.