e) toyota wants to ask customers to rate thei...

e) toyota wants to ask customers to rate their satisfaction with their car. they ask, “on a scale of 1 - 5, how happy are you with your car?”\nf) potomac hs is asking students who their favorite athletes are. on a survey they ask “why is lebron james the best player ever?”\n7) a popular website places an opinion poll questions next to many of its news stories. simply click your response to join the sample. one of the questions was “do you plan to diet this year?” more than 30,000 people responded, with 68% saying yes. which of the following is true?\na. about 68% of americans planned to diet.\nb. the poll used a convenience sample so the results tell us little about the population of all adults.\nc. the poll uses voluntary response, so the results tell us little about the population of all adults.\nd. the sample is too small to draw any conclusion.\ne. none of these

Answer

# Brief Explanations: The opinion - poll on the website is a voluntary - response sample. People choose to click and respond on their own initiative. Voluntary - response samples are often biased as they attract those with strong opinions. So, the results of such a sample tell us little about the population of all adults. # Answer: c. The poll uses voluntary response, so the results tell us little about the population of all adults.