Administrators at a hospital are concerned about the possibility of drug abuse by people who work there. They decide to check on the extent of the problem by having a random sample of the employees undergo a drug test. Several plans for choosing the sample are proposed. Name the sampling strategy in each.
a. There are four employee classifications: doctors, medical staff (nurses, technicians, etc.) office staff, and support staff (custodians, maintenance, etc.). Randomly select ten people from each category.
b. Each employee has a 4-digit ID number. Randomly choose 40 numbers. c. At the start of each shift, choose every tenth person who arrives for work.
d. Randomly select a department (say, radiology) and test all the people who work in that department - doctors, nurses, technicians, clerks, custodians, etc.

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The Answer of Administrators at a hospital are concerned about the possibility of drug abuse by people who work there. They decide to check on the extent of the problem by having a random sample of the employees undergo a drug test. Several plans for choosing the sample are proposed. Name the sampling strategy in each.
a. There are four employee classifications: doctors, medical staff (nurses, technicians, etc.) office staff, and support staff (custodians, maintenance, etc.). Randomly select ten people from each category.
b. Each employee has a 4-digit ID number. Randomly choose 40 numbers. c. At the start of each shift, choose every tenth person who arrives for work.
d. Randomly select a department (say, radiology) and test all the people who work in that department - doctors, nurses, technicians, clerks, custodians, etc.

Administrators at a Hospital Are Concerned About the Possibility of Drug