An employer wants to determine the amount of job satisfaction experienced by his employees. Which sampling method is most likely to result in undercoverage?
Answer
A
Employees work one of three shifts: day, evening, or night. Randomly select 20 employees from each shift.
B
Employees are assigned identification numbers. Randomly select 60 identification numbers.
C
Employees are assigned to one of four pay scales. Randomly select a pay scale and survey every employee in that pay scale.
D
The employee roster is listed in alphabetical order. Select every 5th employee from the roster.