CEOE Earth Science: Collecting, Analyzing & Presenting Data Chapter Exam

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!

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Question 1 1. Which rule keeps you from getting distracted by incorrect choices in a multiple-choice question?

Question 2 2. When x = 40, y = 45. If x and y vary directly, what is the constant of variation?

Question 3 3. Which of the following formulas shows an inverse variation?

Question 4 4. Dr. Nodd does a study in which she observes parents and their children interacting at home. She finds that the more supportive parents are, the less aggressive their children are. What conclusion can Dr. Nodd make?

Question 5 5. From a recent survey of 60 people, we found that 10 liked to eat chocolate ice cream, 20 liked strawberry ice cream, 14 liked vanilla ice cream, and 16 liked Neopolitan ice cream. What is the percentage for each group?

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Question 6 6. Which one of the following coefficients indicates the strongest relationship between two variables while remaining within the possible range of correct calculations?

Question 7 7. Which of the following best describes a pie graph?

Question 8 8. Which concepts would you NOT have needed to remember for the problem with the dialysis bags?

Question 9 9. Drift is which kind of error?

Question 10 10. Which of the following best describes a line graph?

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Question 11 11.

For the following equation, identify the slope, the intercept, and interpret the meaning of each for the scenario.

y= 3x + 25

Jay just got his water bill. He has to pay an initial fee for the service, plus an amount per gallon that he uses.

Question 12 12. Which best describes a population?

Question 13 13. Samantha is gathering information about how many calories the athletes on her team consume during game week. Which answer correctly indicates how the data should be analyzed for both categorical and quantitative research?

Question 14 14. What is the main difference between stratified sampling and cluster sampling?

Question 15 15. You measure the length of a fish 6 times. Each time you find it to be 125 cm long. In reality, the fish is actually 135 cm long. Which of the following statements is true?

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Question 16 16. If the constant of variation is 12 and y = 36, what does x equal?

Question 17 17. Which one of the following coefficients indicates that the two variables of interest move in opposite directions while remaining within the possible range of correct calculations?

Question 18 18. Looking at the graph below, which of the following statements is NOT true?

Question 19 19. Which of the following is an example of categorical data?

Question 20 20. Which of the following statements is NOT quantitative data?

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Question 21 21. Which of the following statements is true about random error?

Question 22 22. Which rule describes the very first thing you should do when encountering a problem involving a graph or chart?

Question 23 23. Successful analysis of your data will be influenced by which factor(s)?

Question 24 24. During an exam, what should you do if you're having trouble visualizing the line graph that matches your data table?

Question 25 25. Your scale incorrectly measures the weight of your chemical by 5 grams each time. Which of the following statements is true about your data?

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Question 26 26. How many people surveyed drive silver cars?

Question 27 27. You are conducting a political survey in a neighborhood and decide that after randomly selecting a start point, you will sample every 15th house on the street. What type of sampling will you be using for this survey?

Question 28 28. What is the constant of variation if y equals 10 when x equals 15 and they vary inversely?

Question 29 29. Roger works at a flower shop and he notices that the more flowers people buy, the more chocolates are sold too. If Roger sells 45 chocolates when 90 flowers are sold, how many chocolates does he sell if 100 flowers are sold?

Question 30 30. How does a regression line show the relationship between two points?

CEOE Earth Science: Collecting, Analyzing & Presenting 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!

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