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 95% confidence level. What do the results tell about the mean attractiveness ratings of the population of all adult females? 7,7, 3, 8, 7, 5, 7, 7, 9, 8, 6, 9 a What is the confidence interval for the population mean u? O

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