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Chapter 1: Problem 43

State whether or not the sampling method described produces a random sample from the given population. The population is all employees at a company. All employees are emailed a link to a survey.

Short Answer

Expert verified
Yes, the described sampling method does indeed produce a random sample since every employee of the company has an equal opportunity to complete the survey.

Step by step solution

01

Understanding the methodology

The survey link has been sent to all the employees in a company via email. Since every employee receives this link, they all have an opportunity to complete the survey.
02

Evaluate randomness

Here, it is critical to understand how the employees were chosen. Since the link is sent to all employees, each employee has an equal chance of responding to the survey. In this case, the sample considers all members of the population, no preference or bias is allowed in the selection process.
03

Conclusion

Based on the evaluation in Step 2, we can say that this is essentially a form of random sampling because every employee, regardless of their designation or department, has equal chance or opportunity to be part of the sample by completing the survey.

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Most popular questions from this chapter

A study published in 2010 showed that city dwellers have a \(21 \%\) higher risk of developing anxiety disorders and a \(39 \%\) higher risk of developing mood disorders than those who live in the country. A follow-up study published in 2011 used brain scans of city dwellers and country dwellers as they took a difficult math test. \(^{46}\) To increase the stress of the participants, those conducting the study tried to humiliate the participants by telling them how poorly they were doing on the test. The brain scans showed very different levels of activity in stress centers of the brain, with the urban dwellers having greater brain activity than rural dwellers in areas that react to stress. (a) Is the 2010 study an experiment or an observational study? (b) Can we conclude from the 2010 study that living in a city increases a person's likelihood of developing an anxiety disorder or mood disorder? (c) Is the 2011 study an experiment or an observational study? (d) In the 2011 study, what is the explanatory variable and what is the response variable? Indicate whether each is categorical or quantitative. (e) Can we conclude from the 2011 study that living in a city increases activity in stress centers of the brain when a person is under stress?

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