# Understanding Data, Graphs & Probability Chapter Exam

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#### Question 1 1. This graph shows the number of rabbits a breeder has each month of the year. How many rabbits did the breeder begin with during the year shown?

#### Question 2 2. What is a line graph?

#### Question 3 3. In the pictograph, which flavor ice cream received the lowest number of votes?

#### Question 4 4. In the pictograph below, how many people said that summer was their favorite season?

#### Question 5 5. Which prediction can you make based on this information?

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#### Question 6 6. What kind of graph is a good way to visually present categorical data?

#### Question 7 7. 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 8 8. Austin used 12 pencils in September, 8 pencils in October, 3 pencils in November, 12 pencils in December, and 4 pencils in January. He is making a graph titled 'How Many Pencils I Used.' What numbers should he use on the y axis?

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Question 9
9.
Find the median of the following data:

5, 3, 8, 6, 3

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Question 10
10.
Find the mean of the following data:

5, 3, 8, 6, 3

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#### Question 11 11. If you want to find the mode for a list with fifty-three numbers on it, what is the first step?

#### Question 12 12. For which of these lists is the mode 7?

#### 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. Order these subjects from most liked to least.

#### 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. Please put this information in table form.

#### Question 15 15. Which answer choice is NOT something you can learn or interpret from this bar graph?

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#### Question 16 16. Read this graph. Of which color of socks does Najawa have the MOST?

#### Question 17 17. What is the multiplication sentence for this array?

#### Question 18 18. How many rows and columns does the array have?

#### Question 19 19. Which of the following answers is an example of discrete data?

#### Question 20 20. 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?

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#### Question 21 21. If you have 2 blue marbles and 1 red marble in a box and you select a marble without looking. What is the probability for you to select a red one?

#### Question 22 22. 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 23 23. This graph shows the number of rabbits a breeder has each month. Which month did the breeder have the most rabbits?

#### Question 24 24. What part of a pictograph tells people about the value of the pictures?

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Question 25
25.
Which of the following estimates is true?

A: More babies will be named George than any of the other given names.

B: The name Lou will not be picked very often.

C: Mary will be the most popular name next year.

D: Babies named Liz and Harry will get married later.

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#### Question 26 26. Sue asked 12 friends what color she should paint her bedroom. She wants to draw a bar graph of the data. What should she label the x axis of her graph?

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Question 27
27.
Find the mode of the following data:

5, 3, 8, 6, 3

#### Question 28 28. The football coach wanted to know how many yards were gained in each play of the first quarter of the football game. He kept track of the yards and made a list. The list is below. What is the mode of the yards gained?

#### 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 is the percentage of people that love English?

#### Question 30 30. According to this graph, how many pairs of purple socks does Najawa have?

#### 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!