Question

Which of the following type of sampling used match the situation described below. A market researcher...

Which of the following type of sampling used match the situation described below.

A market researcher has randomly selected three neighborhoods in a certain region. She is surveying all the people from each neighborhoods. --> Convenience sampling

In a survey of 500 subjects, each was asked how often he or she watched talent show. The survey subjects were internet users who responded to a question that was posted on a news website. --> Random sampling

A market researcher has partitioned all residents of a certain region into categories of unemployed, employed full time, and employed part time. She is surveying 49 people randomly from each unemployed, employed full time, and employed part time. --> Cluster sampling

A researcher selects every 759th social security number and surveys the corresponding person. --> Systematic sampling

Math   Statistics-And-Probability   
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Answer #1

The correct matches of sampling methods will be:

A market researcher has randomly selected three neighborhoods in a certain region. She is surveying all the people from each neighborhoods. --> Convenience sampling

In a survey of 500 subjects, each was asked how often he or she watched talent show. The survey subjects were internet users who responded to a question that was posted on a news website. --> Voluntary Response Sampling

A market researcher has partitioned all residents of a certain region into categories of unemployed, employed full time, and employed part time. She is surveying 49 people randomly from each unemployed, employed full time, and employed part time. --> Stratified Sampling

A researcher selects every 759th social security number and surveys the corresponding person. --> Systematic sampling

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