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Applicants for a job, which involves extensive travel in Spanish speaking countries, must take a proficiency...
Applicants for a job, which involves extensive travel in Spanish speaking countries, must take a proficiency test in Spanish. The sample data below were obtained in a study of the relationship between the numbers of years applicants have studied Spanish (x) and their score on the test (y).
| x | 3 | 4 | 4 | 2 | 5 | 3 | 4 | 5 | 3 | 2 |
| y | 57 | 78 | 72 | 58 | 89 | 63 | 73 | 84 | 75 | 48 |
Give the equation of the regression line. Round coefficients to three decimal places.
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