Chapter 12: Q10. (page 743)
Identify each sample as biased or unbiased. Explain your reasoning.
A magazine publisher asks every tenth person at a fitness expo what magazines they have in their household.
Short Answer
The sample is biased.
Chapter 12: Q10. (page 743)
Identify each sample as biased or unbiased. Explain your reasoning.
A magazine publisher asks every tenth person at a fitness expo what magazines they have in their household.
The sample is biased.
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15, 16, 16, 15, 16, 17, 18
Identify each sample, and suggest a population from which it was selected. Then classify the sample as simple, stratified, or systematic. Explain your reasoning.
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Identify each sample as biased or unbiased. Explain your reasoning.
A shoe company conducts an observation study that involves 10 girls and 2 boys to see which shoes are the most popular.
Identify each sample as biased or unbiased. Explain your reasoning.
A clothing chain gives its customers a card they can mail back that asks them questions about the customer’s favorite brand of jeans.
Evaluate each expression.
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