STAAR Review Data and Statistics

The dot plot shows the number of miles run by members of a cross-country team to prepare for a meet.

Which statement is true?

• The mode of the data is 13 miles.

• The range for the data is 9 miles.

• 25% of the team ran 13 miles during the week.

• 62.5% of the team ran more than 13 miles training during the week.

The box plots show the numbers of touchdowns made by players on two different football teams.

Which statement is NOT supported by the information int eh box plots?

• The range of the numbers of touchdowns for Team X is less than the range of the numbers of touchdowns for Team Z.

• The greatest number of touchdowns scored by players on Team X is less than the greatest number of touchdowns scored by players on Team Z.

• The interquartile ranges for Team X and Team Z are equivalent.

• The median number of touchdowns for Team X is less than the median number of touchdowns for Team Z.

The circle graph shows the percent of votes each candidate for class president received.

If 320 students voted, how many votes did Susan receive?

• 84

• 144

• 152

• Not Here

Waldo and Freddy caught fish one weekend. The dot plots show 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 fo 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 of class.

Which statement about the time spent exercising outside 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.