Questions from Marketing Research


Q: What is difference between a parameter and a statistic? How are

What is difference between a parameter and a statistic? How are they related?

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Q: What distinguishes a probability sample from a nonprobability sample?

What distinguishes a probability sample from a nonprobability sample?

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Q: What are the main types of nonprobability samples? What are their

What are the main types of nonprobability samples? What are their differences?

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Q: Why can a hypothesis be rejected, but never fully accepted?

Why can a hypothesis be rejected, but never fully accepted?

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Q: What are the main types of probability samples? What are their

What are the main types of probability samples? What are their differences?

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Q: How do cluster samples differ from stratified samples?

How do cluster samples differ from stratified samples?

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Q: What is the notion of total sampling elements (TSE)? Why

What is the notion of total sampling elements (TSE)? Why is TSE calculated?

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Q: In determining sample size, what three basic factors must you consider

In determining sample size, what three basic factors must you consider?

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Q: What effect would relaxing the precision with which a population mean or

What effect would relaxing the precision with which a population mean or proportion is estimated have on sample size? What about decreasing the degree of confidence from 95% to 90%?

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Q: What is the relationship between population size and sample size?

What is the relationship between population size and sample size?

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