Identify the Best Way to Sample a Population

The video tutorial discusses how to select a representative sample of a company's employees to choose a new logo. It evaluates four scenarios: selecting every third employee from the largest department, every employee entering the cafeteria, every third employee on the payroll, and employees under 35. The tutorial explains why the first three options are biased and concludes that the most unbiased and random choice is every third employee on the payroll.

What makes the option of surveying every third employee on the company's payroll a good choice?

Discuss the potential bias in surveying only employees under the age of 35.