Data Review

1. The dot plot shows the number of siblings a class has. What is the mode?

• The class had a mode of 3.

• The class had a mode of 6.

• The class had a mode of 4.

• The class had a mode of 0, 1, and 2.

2. The circle graph shows the favorite pet of 300 students at Cesar Chavez Middle School. How many more students favored science than writing as their favorite subject?

• 57

• 28

• 33

• 24

3. If a total of 400 students were surveyed, what fractions of the total number of students voted for Dayton? Express in simplest form.

• 98 students

• 62 students

• 100 students

• 75 students

4. Carrie took a trip to the park. While she was there, she recorded the different types of bugs she saw and the number of each bug. The dot plot below represents her recordings from the park. How many more stink bugs would Carrie need to see for stink bugs to be the bug she saw the most of?

• She needs to see 1 more stink bugs for stink bugs to be the animal that she saw the most of.

• She needs to see 2 more stink bugs for stink bugs to be the animal that she saw the most of.

• She needs to see 3 more stink bugs for stink bugs to be the animal that she saw the most of.

• She needs to see 4 more stink bugs for stink bugs to be the animal that she saw the most of.

5. The box plot shown below compares the lifespan of two brands of batteries. Which Brand has a larger interquartile range?

• Brand X

• Brand Y

6. The box plot shown below compares the lifespan of two brands of batteries. What is the median number of parade floats for Brand X?

7. What is the mean of the following data set:            10, 5, 7, 6, 7

8. What is the median of the following data set:         10, 5, 7, 6, 7

9. What is the mode of the following data set:           10, 5, 7, 6, 7

10. What is the range of the following data set:             10, 5, 7, 6, 7