Firm X has 1000 employees. As a researcher, you are asked by management to measure the employee engagement of Firm X employees by selecting 100 employees as a sample. You receive a list of names of all Firm X employees. The following is important information from the data: a. 60% of the total employees are men. b. 30% of employees work in operations, 40% in marketing, 20% in finance, and the rest in HR. c. 60% of employees have worked for Firm X for less than 2 years, 30% of employees have worked for between 2 and 5 years, and 10% of employees have worked for more than 5 years.

Management wants the research sample that you use to represent the population of Firm X employees. a. What sampling techniques should you use to select a sample of 100 employees? Explain your arguments and explain the steps for selecting the sample in detail. b. If the management cannot provide a list of names of all Firm X employees, what sampling technique should you use? Explain your arguments and explain the steps for selecting the sample in detail.