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A man is selected by a marketing company to participate in a paid focus group. The company says that the man was selected because he was randomly chosen from all men in his tax bracket. Which type of sampling did the marketing company use? A. Stratified sampling B. Systematic sampling C. Cluster sampling D. Convenience sampling E. Random sampling
A man is selected by a marketing company to participate in a paid focus group. The company says that the man was selected because he was randomly chosen from all men in his tax bracket. Which type of sampling did the marketing company use? A. Stratified sampling B. Systematic sampling C. Cluster sampling D. Convenience sampling E. Random sampling
Final answer:The marketing company usedstratified samplingto select the man for the focus group, as he was chosen based on his tax bracket, which is a specific subgroup of the population.A is correctExplanation:The man was selected for the focus group based on his random selection from all men in his tax bracket. This indicates that the marketing company used stratified sampling. In stratified sampling, thepopulationis divided into subgroups known as strata (in this case, tax brackets), and samples are randomly selected from each stratum.To address the examples provided:Choosing employees from four randomly selected departments for interviews is an example of cluster sampling.A soccer team formed by selecting different numbers of players from distinct age groups represents stratified sampling.Interviewing allhumanresource personnelfrom five different companies is another case of cluster sampling.Sampling 50 female and 50 male high school teachers for research purposes is an example of stratified sampling as they are chosen based on a specific characteristic: gender.Asking every tenth customer at a health club about their visits is an example of systematic sampling, as the sample is chosen using a fixed interval (every tenth person).Learn more about Sampling Methods here:brainly.com/question/12902833#SPJ11...