Question

A. In a study of speed​ dating, male subjects were asked to rate the attractiveness of their female​ dates, and a sample of the results is listed below (1equals=not ​attractive; 10 equals=extremely attractive). Construct a confidence interval using a 99​% confidence level. What do the results tell about the mean attractiveness ratings of the population of all adult​ females? 5​,7​, 2​, 8, 6​, 6​, 7​, 7​, 9​, 9​, 3​, 8

B. What does the confidence interval tell about the population of all adult​ females? Select the correct choice below​and, if​ necessary, fill in the answer​ box(es) to complete your choice.

A.We are 99​% confident that the interval from __ to __ actually contains the true mean attractiveness rating of all adult females. ​(Round to one decimal place as​ needed.)

B. We are confident that 99​% of all adult females have attractiveness ratings between __ and ___. ​(Round to one decimal place as​ needed.)

C. The results tell nothing about the population of all adult​ females, because participants in speed dating are not a representative sample of the population of all adult females.

Answer 1