Maths
General
Easy
Question
A retail company has 50 large stores located in different areas throughout a state. A researcher for the company believes that employee job satisfaction varies greatly from store to store. Which of the following sampling methods is most appropriate to estimate the proportion of all employees of the company who are satisfied with their job?
 Selecting one of the 50 stores at random and then surveying each employee at that store
 Selecting 10 employees from each store at random and then surveying each employee selected
 Surveying the 25 highestpaid employees and the 25 lowestpaid employees
Hint:
Hint:
 In these question, analyze each options.
The correct answer is: Selecting 10 employees from each store at random and then surveying each employee selected
Explanation:

 We have given a retail company has 50 large stores located in different areas throughout a state. A researcher for the company believes that employee job satisfaction varies greatly from store to store.
 We have to find which sampling methods is most appropriate to estimate the proportion of all employees of the company who are satisfied with their job.
 We will analyze each option and then find the answer.
Step 1 of 2:
Option A:
Selecting one of the 50 stores at random and then surveying each employee at that store.
Here, we are only including one store which gives us idea about only that store.
So, This is incorrect.
Option B:
Selecting 10 employees from each store at random and then surveying each employee selected
This is most appropriate to estimate the proportion of all employees of the company who are satisfied with their job.
Hence, Option B is correct
 We have given a retail company has 50 large stores located in different areas throughout a state. A researcher for the company believes that employee job satisfaction varies greatly from store to store.
 We have to find which sampling methods is most appropriate to estimate the proportion of all employees of the company who are satisfied with their job.
 We will analyze each option and then find the answer.
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