Statistics Unit Review

The box plot shows the amount of money for collected by 6th grade students for a fundraiser. Which statement about the center, shape, and spread is best supported by this graph?

• The center of the data is about $225 and the spread is from $50 to $400.

• The center of the data is $200 and the spread of the data is from $100 to $300.

• The center of the data is about $225 and the spread of the data is from $100 to $300.

• The center of the data is $200 and the spread of the data is from $50 to $400

Stella recorded the ages of grandparents belonging to students in her class. The stem-and-leaf plot below shows the ages of the grandparents. Identify the median, mode, and range of the data distribution.

• median is 68.5, mode is 68 & 72, and range is 62

• median is 72, mode is 72, and range is 62

• median is 68, mode is 68 & 72, and range is 2

• median is 68, mode is 68 & 72, and range is 62

The dot plot below shows the number of brothers and sisters students have in Ms. Dunn's group. What is the mode of this data?

• 2

• 1 and 3

• 0 and 4

• 1, 2, and 3

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

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.

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.

Make a single horizontal bar graph using percentages from the data in the table shown. Represent Hockey with purple, Badminton with red, and Football with green. Be sure to write your percentage totals on each colored section.

• A

• B