Question

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= not

​attractive;

10=extremely

​attractive). Construct a confidence interval using a

90​%

confidence level. What do the results tell about the mean attractiveness ratings of the population of all adult​ females?

Ratings
7
7
3
9
4
6
8
8
8
8
6
9

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