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April 18, 2014

Homework Help: Statistics

Posted by SHelia on Saturday, February 5, 2011 at 4:48pm.

In a study on caffeine and stress, college students indicated how many cups of coffee they drink per day and their current stress level on a scale of 1 to 10. The table shows the survey results. Using a web-calculator, obtain the appropriate correlation coefficients.
Number of cups Stress level
3 5
2 3
4 3
6 9
5 4
1 2
7 10
3 5

Total Numbers: 8
Correlation: 0.8519

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