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R3.1-R3.18. What design? Analyze the design of each research example reported. Is it a sample survey, an observational study, or an experiment? If a sample, what are the population, the parameter of interest, and the sampling procedure? If an observational study, was it retrospective or prospective? If an experiment, describe the factors, treatments, randomization, response variable, and any block- ing, matching, or blinding that may be present. In each, what kind of conclusions can be reached?

R3.1-R3.18. What design? Analyze the design of each research example reported. Is it a sample survey, an observational study, or an experiment? If a sample, what are the population, the parameter of interest, and the sampling procedure? If an observational study, was it retrospective or prospective? If an experiment, describe the factors, treatments, randomization, response variable, and any block- ing, matching, or blinding that may be present. In each, what kind of conclusions can be reached?

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I R3.1-R3.18. What design? Analyze the design of each research example reported. Is it a sample survey, an observational study, or an experiment? If a sample, what are the population, the parameter of interest, and the sampling procedure? If an observational study, was it retrospective or prospective? If an experiment, describe the factors, treatments, randomization, response variable, and any block- ing, matching, or blinding that may be present. In each, what kind of conclusions can be reached? R3.7. Fireworks manufacturers face a dilemma. They must be sure that the rockets work properly, but test-firing a rocket essen- tially destroys it. On the other hand, not testing the product leaves open the danger that they sell a bunch of duds, lead- ing to unhappy customers and loss of future sales. The solu- tion, of course, is to test a few of the rockets produced each day, assuming that if those tested work properly, the others are ready for sale.
Transcribed Image Text:I R3.1-R3.18. What design? Analyze the design of each research example reported. Is it a sample survey, an observational study, or an experiment? If a sample, what are the population, the parameter of interest, and the sampling procedure? If an observational study, was it retrospective or prospective? If an experiment, describe the factors, treatments, randomization, response variable, and any block- ing, matching, or blinding that may be present. In each, what kind of conclusions can be reached? R3.7. Fireworks manufacturers face a dilemma. They must be sure that the rockets work properly, but test-firing a rocket essen- tially destroys it. On the other hand, not testing the product leaves open the danger that they sell a bunch of duds, lead- ing to unhappy customers and loss of future sales. The solu- tion, of course, is to test a few of the rockets produced each day, assuming that if those tested work properly, the others are ready for sale.
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