The HR department of a large company wants to determine how often to bring representatives from the financial firm managing employee pensions on site to meet with
Individuals about their retirement plans. In order to determine level of interest, they
Decide to survey employees. Suppose they group employees by age categories (e.g.,
Under 30; 30 - under 45; 45 - under 60, 60 or older) and randomly select 50 individuals
From each category. This sampling plan is called
A) Simple Random Sampling
B) Stratified Sampling
C) Cluster Sampling
D) Systematic Sampling
E) Convenience Sampling

Question

Quizplus · Accepted Answer

This is an example of stratified sampling as the employees are being grouped into age categories and a random sample is being selected from each group. This allows the HR department to ensure they have representation from each age group in their survey results.

The HR Department of a Large Company Wants to Determine