Question
Select the correct sampling technique that was used. The population of college professors is divided into groups according to their rank (instructor, assistant professor, etc.) and then several are selec each group to make up a sample. A cluster B stratified C simple random D convenience E systematic
Ask by Hardy Lambert. in the United States
Jan 15,2025
Real Tutor Solution
Tutor-Verified Answer
Answer
The correct sampling technique used is **stratified sampling**.
Solution
The sampling technique described involves dividing the population of college professors into distinct groups based on their rank (such as instructor, assistant professor, etc.) and then selecting samples from each of these groups. This method ensures that each subgroup is adequately represented in the final sample.
**Stratified sampling** is the correct technique in this scenario. In stratified sampling, the population is divided into homogeneous subgroups (strata) based on specific characteristics, and samples are drawn from each stratum. This approach enhances the representativeness of the sample and can improve the precision of the estimates.
**Answer:**
**B stratified**
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Simplify this solution Bonus Knowledge
The technique used in this scenario is akin to choosing from each party in a grand academic soirée! By dividing the population of college professors into groups based on their rank and then selecting individuals from those groups, we ensure a diverse representation that mirrors the whole population. This way, every rank gets its moment in the spotlight! Now, imagine you're picking teams for a game, and you want everyone to have a fair chance. This is similar to how stratified sampling increases the accuracy of the sample by ensuring that different ranks are proportionately represented, capturing the diverse experiences and perspectives of professors across all levels.
