Analyzing Plot Data

Based on the box plots, which statement is true?

• The median number of books read in Class A is less than the median number of books read in Class B.

• The difference between the spread of data for Class A and Class B is 15.

• The difference between the median number of books read by the two classes is 20.

• The interquartile range (IQR) of Class A is half that of the interquartile range (IQR) of Class B.

Which statement correctly describes the two data sets above?

• The minimum number of minutes spent getting ready in eight-grade is greater than the minimum number of minutes spent getting ready in seventh-grade.

• The median of the seventh-grade students is greater than the median of the eighth grade students.

• The range of both data sets is 40.

• On average, seventh-grade students spend more time getting ready that eighth-grade students.

Based on the box plots, which statement correctly compares the data of the two box plots?

• The interquartile range of the data for the distance traveled on carpet is greater than the interquartile range of the data for the distance traveled on tile.

• The difference between the two medians is 4.

• The difference between the two ranges is 9.

• The range of the data for the distance traveled on tile is less than the range of the data for the distance traveled on carpet.

Which statement about the data of your class and your friend's class is true?

• The range of data in your class is greater than the range of the data in your friend's class.

• The highest score in your class is equal to the highest score in your friends class.

• The medians are the same for both classes.

• The IQR of your class is greater than the IQR of your friends class.

Which statement is supported by the data?

• The IQR of the tack team is greater than the IQR of the tennis team.

• There are more students on the tennis team than on the track team.

• The median number of sales for both teams is the same.

• The range of data for the tennis team is greater than the range of data for the track team.

Which statement is true about the two dot plots.

• The range of the girls time in minutes is greater than the range of the boys time in minutes.

• The median amount of time of the girls is greater than the median amount of time of the girls.

• The boys have a greater mode than the girls.

• The range of the boys and girls is the same.

Which statement is true about the two dot plots.

• The difference of the ranges is 1.

• The medians of the two dot plots is the same.

• The range of the miles run at the end of the school year is greater than the miles run at the start of the school year.

• On average you ran more at the start of the school year than at the end of the school year.

What is the IQR of the box plot?

• 3

• 10

• 15

• 6

What percent of the data is between 25 and 30 on the number line?

• 25%

• `50%

• 75%

• 100%

What percentage of the data is between 90 and 140?

• 25 %

• 50%

• 75%

• 100%