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 _____
.