Question

populations, samples and hypothesis this quiz will test your knowledge on populations, samples and hypothesis. click the start button to begin. value: 2 which of the following surveys would most likely produce an unbiased sample? a. a restaurant owner asks every 10th customer leaving the restaurant to rate their satisfaction. b. a reporter surveys people at a local pet store to see if the towns residents favor the construction of a new dog park. c. spectators at a school football game are asked what their favorite sport to watch is. d. a polling company surveys downtown workers to determine how much support there is among city residents for the construction of a new highway that runs downtown.

Explanation:

An unbiased sample should be representative of the entire population. In option a, every 10th customer leaving a restaurant is a form of systematic sampling and can be representative of all restaurant - goers. In option b, people at a pet store are more likely to be pet - owners and thus biased towards favoring a dog park. In option c, spectators at a football game are likely to be football fans and not representative of all sports - watchers. In option d, downtown workers may have different opinions about a downtown highway compared to all city residents.

Answer:

a. A restaurant owner asks every 10th customer leaving the restaurant to rate their satisfaction.