For Exercises 2.44 and 2.45, see page 82; for 2.46, see page 84; for 2.47, see page 86; for 2.48 and 2.49, see page 88; for 2.50, see page 90; for 2.51, see page 90; for 2.52, see page 91; and for 2.53, see page 94.
2.75 Employee absenteeism and raises
Data on number of days of work missed and annual salary increase for a company's employees show that, in general, employees who missed more days of work during the year received smaller raises than those who missed fewer days. Number of days missed explained 49% of the variation in salary increases. What is the numerical value of the correlation between number of days missed and salary increase?
2.75
.