For the following, identify which type of sampling technique was used.A company has 800 female employees and 200 male employees. You want to ensure that the sample reflects the gender balance of the company, so you use random sampling on each gender group, selecting 80 women and 20 men.
Question
For the following, identify which type of sampling technique was used.A company has 800 female employees and 200 male employees. You want to ensure that the sample reflects the gender balance of the company, so you use random sampling on each gender group, selecting 80 women and 20 men.
Solution
The type of sampling technique used in this scenario is Stratified Random Sampling. Here's why:
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The entire population (1000 employees) is divided into two groups or 'strata' based on gender: 800 female employees and 200 male employees.
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Then, a simple random sample is drawn from each stratum. In this case, 80 women and 20 men are randomly selected.
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This ensures that the sample accurately reflects the proportion of men and women in the company, which is the main goal of stratified random sampling.
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