A researcher measures the relationship between Internet use (hours per week) and social interaction (hours per...
A researcher measures the relationship between Internet use (hours per week) and social interaction (hours per week) in a sample of 10 students. The following table lists the hypothetical results of this study.
| Internet Use | Social Interaction |
|---|---|
| X | Y |
| 6 | 3 |
| 8 | 6 |
| 6 | 6 |
| 7 | 6 |
| 13 | 4 |
| 5 | 6 |
| 4 | 2 |
| 7 | 4 |
| 1 | 10 |
| 11 | 4 |
(a) Compute the Pearson correlation coefficient. (Round your answer to three decimal places.)
(b) Compute the coefficient of determination. (Round your answer to three decimal places.)
Homework Answers
The statistical software output for this problem is:
Hence,
a) Pearson correlation coefficient = -0.452
b) Coefficient of determination = 0.204
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A researcher measures the relationship between Internet use
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