7.12A - STAAR REVIEW-Compare data from Plots

The box plots show the target heart rates of men 20-40 years old and men 50-70 years old.

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

• The range of the date for men 20-40 years old is less than the range of the data for men 50-70 years old.

• The median of the data for men 20-40 years old is less than the median of the data for men 50-70 years old.

• The minimum target heart rate for men 20-40 years old is less than the minimum target heart rate for men 50-70 years old.

• The interquartile range of the date for men 20-40 years old is greater than the interquartile range of the data for men 50-70 years old.

The dot plots show the numbers of children's books purchased by customers at two different bookstores on one day.

Which statement is supported by the information in the dot plots?

• The mode of the data for Store 2 is greater than the mode of the data for Store 1.

• The range of the data for Store 1 is greater than the range of the data for Store 2.

• The mean of the data for Store 1 is greater than the mean of the data for Store 2.

• The median of the data for Store 2 is greater than the median of the data for Store 1.

The dot plots show the numbers of miles Ian skated on several days in two different months.

Which statement is supported by the information in the dot plots?

• The least number of miles Ian skated on a day in July is greater than the least number of miles Ian skated on a day in August.

• The median number of miles Ian skated each day in July is greater than the median number of miles Ian skated each day in August.

• The mode of the number of miles Ian skated each day in July is less than the mode of the number of miles Ian skated each day in August.

• The range of the number of miles Ian skated each day in July is less than the range of the number of miles Ian skated each day in August.

The box plots show the lengths of the songs on two digital music players in minutes.

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

• The interquartile range of the data for Music Player X is equal to the interquartile range of the data for Music Player Y.

• The interquartile range of the data for Music Player X is greater than the interquartile range of the data for Music Player Y.

• The median length of the songs on Music Player X is equal to the median length of the songs on Music Player Y.

• The median length of the songs on Music Player X is less than the median length of the songs on Music Player Y.

The box plots show data about the number of years that farmworkers have been employed at each of two farms.

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

• The range of the data for Farm Y is equal to the range of the data for Farm X.

• The third quartile of the data for Farm Y is less than the third quartile of the data for Farm X.

• The median of the data for Farm Y is greater than the median of the data for Farm X.

• The first quartile of the data for Farm Y is greater than the first quartile of the data for Farm X.

The dot plot shows the heights of the players on two basketball teams.

Which statement is best supported by these data?

• The distribution of the data for Team A and Team B are approximately symmetrical.

• The median height of the players on Team B is less than the median height of the players on Team A.

• Team B has a greater range in player heights than Team A has.

• The mode height of the players on Team B is less than the mode height of the players on Team A.

Mrs. Kelso and Mr. Bonham gave each of their students a small bag of colored tiles. The students each counted the number of purple tiles they received. The box plots display the data for both classes.

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

• The range of the data for Mr. Bonham's class is less than the range of the data for Mrs. Kelso's class.

• The data for Mrs. Kelso's class are more symmetrical than the data for Mr. Bonham's class.

• The median number of the data for Mr. Bonham's class is less than the median number of the data for Mrs. Kelso's class.

• The interquartile range of the data for Mrs. Kelso's class is greater than the interquartile range of the data for Mr. Bonham's class.

The number of pets per household for Mrs. Anderson's class and Mrs. Murphy's class are shown in the dot plots.

Here are three statements about the number of pets per household for these two classes.

I. The range of the number of pets per household for Mrs. Murphy's class is greater than the range of the number of pets per household for Mrs. Anderson's class.

II. The distribution of the data is approximately symmetrical in both sets of data.

III. The mode of the number of pets per household for Mrs. Anderson's class is equal to the mode of the number of pets per household for Mrs. Murphy's class.

Which of these three statements appear to be true?

• I only

• I and III

• II and III

• III only

Waldo and Freddy caught fish one weekend. The dot plot shows the lengths of the fish they caught.

Which statement about the lengths of the fish caught by Waldo and Freddy appears to be true?

• The data for Waldo's fish and the data for Freddy's fish are skewed to the right.

• The median length of the fish caught by Waldo is greater than the median length of the fish caught by Freddy.

• The range of the length of the fish caught by Freddy is greater than the range of the length of the fish caught by Waldo.

• The data for Waldo's fish and the data for Freddy's fish are approximately symmetrical.

The number of students in each of 2 exercise classes was the same. The box plots represent the average amount of time the students in each class spent exercising daily outside class.

Based on the information in the box plots, which statement about the time spent exercising outside of class appears to be true?

• The median amount of time the first class spent exercising was greater than the median amount of time the second class spent exercising.

• The range for the second class was less than the range for the first class.

• The interquartile range for the first class was less than the interquartile range for the second class.

• The minimum amount of time the second class spent exercising was greater than the minimum amount of time the first class spent exercising.