Refer to the Information Provided in Scenario 22

question 89

Multiple Choice

Refer to the information provided in Scenario 22.1 below to answer the question(s) that follow.
SCENARIO 22.1: A study of 2,500 country club members in Phoenix found that those who play golf at least 2 times per week were 40 percent more likely to have suffered from skin cancer than those who never play golf. Therefore, the study concluded that in Phoenix, playing golf at least twice a week leads to a higher incidence of skin cancer in country club members.
-Refer to Scenario 22.1. Which of the following statements pertaining to the scenario is the most accurate with respect to selection bias?

• A) The conclusion exhibits selection bias in that only country club members in Phoenix were surveyed.
• B) The conclusion exhibits selection bias in that there may be other factors besides playing golf more than 2 times per week that lead to a higher incidence of skin cancer in those members.
• C) The study exhibits selection bias in that it is only concerned with skin cancer incidence in country club members.
• D) The scenario does not exhibit selection bias.

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Definitions:

Vectors

A class in Java similar to ArrayList, but synchronized, allowing it to be thread-safe at the cost of performance overhead.

Arrays

Structures that hold multiple values of the same type, allowing efficient storage and access by using an index.

HashMap Object

A data structure in Java that implements the Map interface, storing key-value pairs and allowing efficient data retrieval by key.

Retrieve

To retrieve means to obtain data or information from a specific source, such as a database or a file system, often for processing or display.