Use the Guidelines to Evaluate the Study

question 129

Multiple Choice

Use the guidelines to evaluate the study. From the information given, what is the biggest flaw in the study?
-"38% of adults in the United States regularly visit a doctor". This conclusion was reached by a college student after she had questioned 520 randomly selected members of her college. What is
Wrong with her survey?

• A)Selection bias
• B)Wording of question
• C)Setting may not encourage honest responses
• D)Participation bias
• E)Confounding variables

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Definitions:

Salesperson

An individual who sells goods or services, often working on commission or for an organization.

Poisson Random Variable

A variable that represents the number of times an event occurs in a fixed interval of time or space, following the Poisson distribution.

Discrete Integer

Refers to a type of numerical data that can only take specific, separated values and cannot be fractional.

Poisson Process

A statistical process that models the occurrence of events within a fixed interval of time or space, assuming that these events happen with a known constant mean rate and independently of the time since the last event.