Pretend that you want to determine the relationship between caffeine intake and performance on a midterm exam. As students sit down to take the exam, you ask them to write the number of cups of tea, soda, or coffee they ingested two hours prior to the exam. You also obtain their exam scores. You calculate the correlation coefficient between the two variables to be + 0.82. What can you conclude?

Question

Social Studies

Ricky Ortega

23 November, 17:59

Pretend that you want to determine the relationship between caffeine intake and performance on a midterm exam. As students sit down to take the exam, you ask them to write the number of cups of tea, soda, or coffee they ingested two hours prior to the exam. You also obtain their exam scores. You calculate the correlation coefficient between the two variables to be + 0.82. What can you conclude?

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Answers (1)

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Dayami Benton · Answer 1

Answer:There is a high positive correlation between drinking coffee and doing well in the exam based on these results.

Explanation:

This means there is a positive relationship between caffeine intake and doing well in your exam, when you increase the other it is very likely that the other also increases.

When one take the other variable it is likely to affect the other variable in a positive way, it may not mean that of will increase it but it means it will affect it positively.