# Data, Probability & Statistics 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!

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#### Question 1 1. How many teens would not pick chocolate?

#### Question 2 2. How many adults picked chocolate or vanilla?

#### Question 3 3. If you roll a die three times, what is the probability of rolling only even numbers?

#### Question 4 4. For which type of study is it most appropriate to use a random sample?

#### Question 5 5. A(n) _____ is all members of a specified group.

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#### Question 6 6. One variable in a data set that is analyzed to describe a scenario or experiment is called _____

#### Question 7 7. What type of data uses two sets of variables that can change and are compared to find relationships?

#### Question 8 8. What is a condition or piece of data in an experiment that can be controlled or changed?

#### Question 9 9. An event that will never happen has a probability of what?

#### Question 10 10. A scientist is conducting an experiment on mice, seeing how their weight is affected by the volume of cheese they're given. What is the independent variable in this experiment, and why?

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#### Question 11 11. What are a sequence of equally distributed variables?

#### Question 12 12. Using a standard deck of cards (which has 26 red cards and 26 black cards, with 13 cards of every suit), what is the probability of selecting a red card, and then after replacing the card, selecting a heart card?

#### Question 13 13. Box plots are also called _____.

#### Question 14 14. A probability of 1 means what?

#### Question 15 15. A _____ is a part of a population used to describe the whole group.

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#### Question 16 16. What field of mathematics often uses data distributions?

#### Question 17 17. What are the three most common measures of data dispersion?

#### Question 18 18. What is the probability of picking a blue balloon if there are 3 blue balloons, 1 red balloon, and 1 yellow balloon?

#### Question 19 19. We expect what percentage of data points to fall within 1 standard deviation on a normal distribution?

#### Question 20 20. What type of data distribution is represented in this image?

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#### Question 21 21. There are two ways to play a game and win. Each comes with its own probability of winning. Game option A has a probability of 1/4 and game option B has a probability of 1/8. Which option has the higher probability?

#### Question 22 22. What is a graph of ordered pairs showing a relationship between two sets of data?

#### Question 23 23. When you find a relationship in bivariate data, you are looking at a positive or a negative _____.

#### Question 24 24. How many children and teens eat bananas?

#### Question 25 25. What is statistical variance?

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#### Question 26 26. How are independent variables and dependent variables different?

#### Question 27 27. A condition or piece of data in an experiment that is controlled or influenced by an outside factor is considered what type of variable?

#### Question 28 28. How many surveyed would rather watch football or baseball?

#### Question 29 29. The box in a box plot represents what portion of the data?

#### Question 30 30. Which data distribution would be useful for showing frequencies of a large set of data?

#### Data, Probability & Statistics 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!