12. Use the given data to find the equation of the regression line. Round the final values to three significant digits, if necessary. Two different tests are designed to measure employee productivity...

Extracted text: 12. Use the given data to find the equation of the regression line. Round the final values to three significant digits, if necessary. Two different tests are designed to measure employee productivity and dexterity. Several employee are randomly selected and tested with these results. productivity 25 23 27 32 45 30 dexterity 46 40 48 51 56 50 O y = 29.891+ 0.613x O y = 19.891+ 0.513x O y = 24.891- 0.413x O = 25.342+ 0.278x