A large health care corporation is interested in the number of employees who devote a substantial amount of time providing care for elderly relatives. The corporation wants to develop a policy with respect to the number of sick days an employee could use to provide care to elderly relatives. The corporation has thousands of employees, so it decides to have a sample of employees fill out a questionnaire.
a. How would you define employee? Should only full-time workers be considered?
b. How would you select the sample of employees?
c. What information should be collected from the workers?