# Understanding Data, Graphs & Probability Chapter Exam

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#### Question 1 1. What part of a pictograph tells people about the value of the pictures?

#### Question 2 2. In the pictograph below, how many people said that summer was their favorite season?

#### Question 3 3. If you have 7 blue cars and 3 brown cars in a box and you select a car without looking. What is the probability for you to select a brown one?

#### Question 4 4. If there are 7 white chocolates on the table and you pick one without looking. How likely is it that you will pick a dark chocolate?

#### Question 5 5. Which of the following is NOT categorical data?

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#### Question 6 6. Which prediction can you make based on this information?

#### Question 7 7. Which sentence about arrays is true?

#### Question 8 8. An array usually has which kind of shape?

#### Question 9 9. This graph shows the number of rabbits a breeder has each month. Which month did the breeder have the most rabbits?

#### Question 10 10. This graph shows the number of rabbits a breeder has each month. In which month did the breeder have 40 rabbits?

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#### Question 11 11. Brown school has decided to review their ratio of girls to boys in the Second grade class. They decided to count the number of boys in Second grade. This is an example of what type of data?

#### Question 12 12. Select the statement that represents discrete quantitative data.

#### Question 13 13. You just took a survey asking people about their favorite class in school. After getting all the answers, you found that 10 people love English, 2 people love math, 3 people love history, and 12 love science. Please put this information in table form.

#### Question 14 14. You just took a survey asking people about their favorite class in school. After getting all the answers, you found that 10 people love English, 2 people love math, 3 people love history, and 12 love science. Order these subjects from most liked to least.

#### Question 15 15. According to this graph, how many pairs of purple socks does Najawa have?

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#### Question 16 16. Use this bar graph. Which color is NOT a color of socks that Najawa has?

#### Question 17 17. Mia and Lisa went on a scavenger hunt. They were competing with 6 other teams to find 30 items. At the end of the scavenger hunt, they want to make a bar graph showing which teams found the most items and which teams found the least items. What would be a good label for the y axis of the graph?

#### Question 18 18. Mark took a survey of how the students in his class get to school: bus, car, or walk. He found out that 15 students ride the bus; 12 students walk; and 7 students ride in a car. If Mark makes a bar graph with his data, what would be a good title?

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Question 19
19.
Find the mode of the following data:

5, 3, 8, 6, 3

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Question 20
20.
Find the range of the following data:

5, 3, 8, 6, 3

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#### Question 21 21. Mr. Jacobs asked the students how many pets they had at home. What is the mode for this set of numbers? Here is the chart the class made:

#### Question 22 22. What does the word 'mode' mean?

#### Question 23 23. In this pictograph, how many people voted for breakfast?

#### Question 24 24. You have a total of 6 marbles in a bag and they are all blue. If you select one without looking, how likely is it that you will pick a blue one?

#### Question 25 25. According to this graph, how many babies are named George?

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#### Question 26 26. What is the multiplication sentence for this array?

#### Question 27 27. What is a line graph?

#### Question 28 28. Which of the following statements is NOT quantitative data?

#### Question 29 29. You just took a survey asking people about their favorite class in school. After getting all the answers, you found that 10 people love English, 2 people love math, 3 people love history, and 12 love science. What are the percentages for each class?

#### Question 30 30. Which answer choice is NOT something you can learn or interpret from this bar graph?

#### Understanding Data, Graphs & Probability Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "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. You will lose your work if you close or refresh this page. Good luck!