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, 8, 6, 5, 6, 8, 7, 8, 5, 9 What is the confidence interval for the population mean u?
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, 8, 6, 5, 6, 8, 7, 8, 5, 9 What is the confidence interval for the population mean u?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Transcribed Image Text: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, 8, 6, 5, 6, 8, 7, 8, 5, 9 D
What is the confidence interval for the population mean p?
of
<u< (Round to one decimal place as needed.)
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.
O A. We are confident that 90% of all adult females have attractiveness ratings between
and
(Round to one decimal place as needed.)
O B. We are 90% confident that the interval from
to
actually contains the true mean attractiveness rating of all adult females.
(Round to one decimal place as needed.)
O C. 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.
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