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?

5,

7,

2,

10,

7,

6,

7,

7,

9,

10,

6,

8

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? 5, 7, 2, 10, 7, 6, 7, 7, 9, 10, 6, 8 . . . What is the confidence interval for the population mean ?