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Analyzing & Evaluating Scientific 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!

Page 1

Question 1 1. Which of the following statements is NOT true regarding correlations?

Question 2 2. Which scatterplot shows the strongest correlation?

Question 3 3. Which of the scatterplots shows a negative correlation?

Question 4 4. What is a challenge of presenting scientific information orally?

Question 5 5. Why is transparency important in scientific works?

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Question 6 6. Why is it important to consider your audience when deciding what language to use in scientific presentations?

Question 7 7. Which type of chart plots the relationship between dependent and independent variables?

Question 8 8. Which type of chart illustrates relationships between concepts or steps in a process?

Question 9 9. Which type of chart compares data with relative percentages?

Question 10 10. Which of the following direct 'jumps' would be OK to make in the Scientific Method?

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Question 11 11. What is the first step of the scientific method?

Question 12 12. What has to happen before you can analyze data?

Question 13 13. Where do you place the independent and dependent variables in a scatter plot?

Question 14 14. What does it tell you if the line of best fit on your graph in an experiment is flat (not uphill or downhill)?

Question 15 15. You are doing a biology experiment. Your independent variable is amount of sunlight, and your dependent variable is how tall a particular type of plant grows. Which of the following graphs shows that if you double the amount of sunlight, you will always increase the height of the plant by the same amount?

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Question 16 16. What is accuracy in a science experiment?

Question 17 17.

You complete an experiment where you measure the height of the kitchen table. Later, a scientist comes in with an incredibly accurate laser scanner, and tells you that the real height is 0.9 meters. Which of the following sets of data is the most PRECISE or REPRODUCIBLE?

Dataset 1: 0.9, 1.1, 0.7, 0.6, 1.2, 0.9, 1.0, 0.8, 0.7, 1.1

Dataset 2: 0.4, 0.2, 0.8, 0.9, 0.5, 0.1, 0.3, 0.9, 0.8

Dataset 3: 1.2, 1.2, 1.3, 1.2, 1.3, 1.2, 1.2, 1.3, 1.2

Question 18 18.

You complete an experiment where you measure the height of the kitchen table. Later, a scientist comes in with an incredibly accurate laser scanner, and tells you that the real height is 0.9 meters. Which of the following sets of data is the most ACCURATE?

Dataset 1: 0.9, 1.1, 0.7, 0.6, 1.2, 0.9, 1.0, 0.8, 0.7, 1.1

Dataset 2: 0.4, 0.2, 0.8, 0.9, 0.5, 0.1, 0.3, 0.9, 0.8

Dataset 3: 1.2, 1.2, 1.3, 1.2, 1.3, 1.2, 1.2, 1.3, 1.2

Question 19 19. What would give you a more precise reading, a yard stick with feet as its smallest unit or a yard stick with inches as its smallest unit?

Question 20 20. You are measuring the volume of a liquid that is 20.31 mL. What are your certain digits in this measurement?

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Question 21 21. How many significant figures are in the number 0.220?

Question 22 22. Which of these statements are reasons why determining the sample size is important for a data collector?

Question 23 23. On the last exam, the class mean (average) was 72%. The score for 90% of the class was within 10 points of the mean. What does '10 points of the mean' measure?

Question 24 24. In everyday language what is the term associated with the statistical analysis method of mean?

Question 25 25. Which of the scatterplots shows no correlation?

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Question 26 26. Which of the following is NOT a general guideline to follow when presenting scientific information?

Question 27 27. Which axis is the horizontal axis?

Question 28 28. Which of the following is true about the scientific method?

Question 29 29. What is a graph?

Question 30 30. What is precision (or reproducibility) in a science experiment?

Analyzing & Evaluating Scientific 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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