# Interpreting Visual Displays of Data Chapter Exam

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

### Page 1

#### Question 1 1. What is the range of this graph?

#### Question 2 2. What is the center of this graph?

#### Question 3 3. For which case do you use median rather than mean to calculate the center?

#### Question 4 4. What kind of shape does this graph have?

#### Question 5 5. What is the term for the type of data that is measurable?

### Page 2

#### Question 6 6. A dot plot is a visual representation of data using intervals or categories of variables, with each dot representing _____.

#### Question 7 7. What is the shape of a graph that peaks to the left or the right of the center?

#### Question 8 8. A student makes a dot plot to represent the grades their classmates got on the last test, and finds that it makes a shape that is mirrored nearly perfectly across a line at the mean. Is this shape symmetrical? Why or why not?

#### Question 9 9. What do we call two sets of variables that can change and are compared to find relationships?

#### Question 10 10. What is the relationship between two variables or sets of data?

### Page 3

#### Question 11 11. What is a condition or piece of data in an experiment that can be controlled or changed?

#### Question 12 12. How are independent variables and dependent variables different?

#### Question 13 13. Using the box plot provided, what is the rectangle circled in red?

#### Question 14 14. Using the box plot provided, what is the vertical line circled in red?

#### Question 15 15. Using the box plot provided, what is the vertical line circled in red?

### Page 4

#### Question 16 16. Why might we represent a data set with a box plot?

#### Question 17 17. Refer to the pie chart showing top fast food chains by 2015 sales. Approximately how much did McDonald's earn, rounding to the nearest billion?

#### Question 18 18. The bar graph shows the top five grossing movies from 2015. What was the second highest grossing movie?

#### Question 19 19. The bar graph shows the top five grossing movies from 2015. About how much money did Inside Out gross?

#### Question 20 20. Refer to the pie chart showing top fast food chains by 2015 sales. How many sectors does the chart contain?

### Page 5

#### Question 21 21. Which of the following data sets can I graph on a histogram?

#### Question 22 22. What type of information does a histogram show?

#### Question 23 23. This histogram shows test scores. Based on this information, how many students got a score of 91 or better?

#### Question 24 24. Based on this histogram, how many people scored less than or equal to 80?

#### Question 25 25. This stem and leaf plot shows the number of cookies that Tia's Girl Scout troop sold each week. How many weeks did they sell cookies?

### Page 6

#### Question 26 26. This is a stem and leaf plot of your math scores. What was your lowest score?

#### Question 27 27. Jayla has been doing sit-ups to get in shape. She created a stem and leaf chart that displays the number of sit-ups she has already done (51, 51, 54 60, 62, 65, 80, 81, 88). Jayla's teacher said that she had made one mistake in her stem and leaf plot. What mistake did Jayla make?

#### Question 28 28. This stem and leaf plot shows how many boxes of cookies that Tia's Girl Scout troop sold. List the number of boxes they sold each week in order from least to greatest.

#### Question 29 29. Which of the following is not a way to describe shape?

#### Question 30 30. What is the term for data that is grouped by type or object, not by numbers?

#### Interpreting Visual Displays of Data Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!