A community group would like to raise funds to pay for improvements to the community swimming pool. The group’s leaders are considering a number of methods to assess community interest in raising funds. Which of the following uses convenience sampling?
To attract business, a clothing store mails discount coupons to residents of a town. To estimate the proportion of the store’s shoppers who are using the coupons, the store manager selects a random sample of 100 customers who visit the store on a weekend. The manager finds that 38 of them are using the coupons mailed to their homes. Which of the following describes the sample in this setting?
Researchers would like to assess the overall health of white pine trees in a state park. Which of the following methods for choosing the trees to assess would be considered a convenience sample?
An automotive website would like to estimate the percentage of drivers who own their cars, rather than lease their cars. Which of these survey methods would not provide a convenience sample to estimate the percentage who own their cars?
Researchers would like to assess the overall health of white pine trees in a state park. Using a computer program, the researchers selected 100 random points in the state park and assessed the trees closest to the selected points. Of the 100 trees selected, 24 showed damage to their lower limbs. Which of the following describes the sample in this setting?
A community is considering raising funds to pay for improvements to the community swimming pool. To measure the level of interest, community leaders went door-to-door in a few neighborhoods and interviewed residents. Of the 230 residents contacted, 157 support raising funds to pay for improvements. Which of the following represents the population in this setting?
To attract business, a clothing store mails discount coupons to local residents. To estimate the proportion of the store’s shoppers who are using the coupons, the store manager selects a random sample of 100 customers who visit the store on a weekend. The manager finds that 38 of them are using the coupons mailed to their homes. Which of the following describes the population in this setting?
Local government officials would like to know if city residents are generally satisfied with the cleanliness of local streets and recreation areas. To estimate the level of satisfaction, the officials are considering many methods to collect information. Which of the following methods would not provide a voluntary response sample?
How far do US workers travel to get to their jobs? To estimate the average distance workers travel, a website includes a survey where adults can share their daily commute distance. What are the population and sample in this setting?
How far do US workers travel to get to their jobs? A researcher would like to collect information on the commute distance traveled by workers and considers many methods for collecting data. Which of the following methods represents a voluntary response sample?
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