Question
A random sample of 9 biology students produced the following data, first test score, x second...
A random sample of 9 biology students produced the following data,
| first test score, x | second test score, y |
| 17 | 70 |
| 11 | 99 |
| 52 | 48 |
| 43 | 93 |
| 32 | 91 |
| 43 | 99 |
| 25 | 48 |
| 52 | 65 |
| 78 | 58 |
where x measures the first test score and y measures the second test score. What is the estimate of the y = a x + b regression intercept coefficient?
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