Math Problem Statement
Identify which of the sampling techniques were applied (simple random sample, systematic sample, convenience sample, stratified sample, or cluster sample).
A researcher investigates the average salary of people by surveying all workers at 20 randomly selected supermarkets in Texas. ___________________________________________
You put 100 names in a hat and pick 5 out. ____________________________________ Every 30th printer is tested for readability. _______________________________ A teacher survey 20 students in his class. ________________________________________
A marketing expert is planning a survey in which 100 people will be randomly selected from each age group: 20–29, 30–39, and 40-49. ___________________________________________
Solution
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Math Problem Analysis
Mathematical Concepts
Statistics
Sampling Techniques
Formulas
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Theorems
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Suitable Grade Level
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