In order to obtain a promotion at a certain company employee…
In order to obtain a promotion at a certain company employees at this company must have worked at the company for at least 1 year and take a proficiency test. The number of years for which each employee has worked at the company (x) and the score on the proficiency test (y) are found to have a linear relationship and the regression line is determined to be y = 6.91x + 46.26 The linear correlation coefficient r = 0.834. Provide the practical interpretation of the y-intercept, if possible.