Unit 10 Statistics and Data Review

The list shows the number of students enrolled in the 6th grade at Greenways for the last 5 years. What is the range of these data?

742, 802, 784, 822, 401

• 401

• 421

• 784

• 383

Mrs. Sanchez made a box plot to record her first period's quiz scores. Based on the data in the box plot, which statement could be true?

• There is the same number of students with a grade below 64 as students who scored above a 64.

• The most common grade was a 64.

• The range of scores is 95.

• There are more students who scored between a 30 and 60 than a 60 and 70.

Which data most likely have variability for a baseball team during one season?

• The cost of a hot dog.

• The amount an adult pays for admission.

• The number of spectators at each game.

• The parking fee for each vehicle.

The following histogram was used to track medals won at Randall High School's last track meet. Which statement about the data in the histogram is true?

• The data is symmetrical.

• The data is asymmetrical

• The data is skewed to the right.

• The data is skewed to the left.

The dot plot shows the number of hours students spent on homework each week in the 8th grade. Which statement about the data is true?

• The median is 3, and the interquartile range is 9.

• The median is 3, and the interquartile range is 4

• The median is 4, and the interquartile range is 9.

• The median is 4, and the interquartile range is 4

Which situation would yield data without variability?

• The amount of growth in height students gain during the 6th grade.

• Dojo points earned by students in your homeroom class.

• The annual average expenses for a household over 5 years.

• The number of homeruns hit by a batter during a baseball team's opening season game.

On a Saturday, an Ice Cream Shop recorded their customer's favorite ice cream toppings. They used the tally chart to record the data. Which answer choice has the percentages represented for the toppings?

• Hot Fudge is 24% and Caramel is 10%

• Caramel is 20% and Whipped Cream is 16%

• Hot Fudge is 48% and Whipped Cream is 16%

• Hot Fudge is 48% and Caramel is 20%

Make a Stem and Leaf Plot to represent the test scores on the line plot pictured.

• A

• B

Students were asked how many hours they spend each weekend playing video games. The histogram shown represents the results. Based on the histogram, which statement is true?

• A total of 9 students were surveyed.

• Five students spend less than 10 hours on video games each weekend.

• More students spend from 0 to 15 hours playing video games.

• Fifteen students surveyed spend more than 15 hours per weekend on video games.

The dot plot shows the number of books students read last summer. Which statement best describes the data shown in the dot plot?

• The data distribution has one gap.

• The data distribution is symmetrical.

• The peak of the data is at 6.

• The data are clustered from 4 to 9.