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correlation is most likely due to coincidence, a common under lying cause, or a direct cause. Explain your answer. 9. Guns and Crime Rate. In one state, the number of unregis tered handguns steadily increased over the past several years, and the crime rate increased as well. 10. Cheese and Deaths. One study showed that there is a correla- tion between per capita cheese consumption and number of people who die by becoming tangled in their bedsheets. One variable increased while the other decreased over time. 11. Study Time and Test Scores. Statistics students find that as they spend more time studying, their test scores are higher.

correlation is most likely due to coincidence, a common under lying cause, or a direct cause. Explain your answer. 9. Guns and Crime Rate. In one state, the number of unregis tered handguns steadily increased over the past several years, and the crime rate increased as well. 10. Cheese and Deaths. One study showed that there is a correla- tion between per capita cheese consumption and number of people who die by becoming tangled in their bedsheets. One variable increased while the other decreased over time. 11. Study Time and Test Scores. Statistics students find that as they spend more time studying, their test scores are higher.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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correlation is most likely due to coincidence, a common under lying cause, or a direct cause. Explain your answer. 9. Guns and Crime Rate. In one state, the number of unregis tered handguns steadily increased over the past several years, and the crime rate increased as well. 10. Cheese and Deaths. One study showed that there is a correla- tion between per capita cheese consumption and number of people who die by becoming tangled in their bedsheets. One variable increased while the other decreased over time. 11. Study Time and Test Scores. Statistics students find that as they spend more time studying, their test scores are higher. 12. Divorce and Margarine. Data from the National Vital Statistics Reports and the U.S. Department of Agriculture. show that over the past several years in Maine, the divorce rate declined and per capita margarine consumption also declined. 13. Traffic Lights and Car Crashes. It has been found that as the number of traffic lights increases, the number of car crashes also increases. 14. Galaxy Distance and Speed. Astronomers have discovered that, with the exception of a few nearby galaxies, all galax- ies in the universe are moving away from our solar system. Moreover, the farther away the galaxy is, the faster it is mov- ing away. 15. Gas and Driving. It has been found that when gas prices. increase, the distances that vehicles are driven tend to get shorter. 16. Swimming and Nuclear Power. Data from the Centers for Disease Control and the Department of Energy show that as the numbers of people who drown in swimming pools increases, the power generated by nuclear plants also increases. 17. Outlier Effects. Consider the scatterplot in Figure 7.15. 1.2 1.0 0.8 0.6 0.4- 0.2- 0 02 04 0.6 0.8 10 12 14 Figure 7.15 0 (continue
Transcribed Image Text:correlation is most likely due to coincidence, a common under lying cause, or a direct cause. Explain your answer. 9. Guns and Crime Rate. In one state, the number of unregis tered handguns steadily increased over the past several years, and the crime rate increased as well. 10. Cheese and Deaths. One study showed that there is a correla- tion between per capita cheese consumption and number of people who die by becoming tangled in their bedsheets. One variable increased while the other decreased over time. 11. Study Time and Test Scores. Statistics students find that as they spend more time studying, their test scores are higher. 12. Divorce and Margarine. Data from the National Vital Statistics Reports and the U.S. Department of Agriculture. show that over the past several years in Maine, the divorce rate declined and per capita margarine consumption also declined. 13. Traffic Lights and Car Crashes. It has been found that as the number of traffic lights increases, the number of car crashes also increases. 14. Galaxy Distance and Speed. Astronomers have discovered that, with the exception of a few nearby galaxies, all galax- ies in the universe are moving away from our solar system. Moreover, the farther away the galaxy is, the faster it is mov- ing away. 15. Gas and Driving. It has been found that when gas prices. increase, the distances that vehicles are driven tend to get shorter. 16. Swimming and Nuclear Power. Data from the Centers for Disease Control and the Department of Energy show that as the numbers of people who drown in swimming pools increases, the power generated by nuclear plants also increases. 17. Outlier Effects. Consider the scatterplot in Figure 7.15. 1.2 1.0 0.8 0.6 0.4- 0.2- 0 02 04 0.6 0.8 10 12 14 Figure 7.15 0 (continue
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