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In: Statistics and Probability

In a study of speed​ dating, male subjects were asked to rate the attractiveness of their...

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 ​(1 equals =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?

6​, 8​, 2​, 9​, 7​, 6​, 7​, 7​, 9​, 10​, 5​, 9

What is the confidence interval for the population mean
mu
μ​?

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.

B. 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.

C. We are confident that
99
99​% of all adult females have attractiveness ratings between ____ and _____
.

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