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=notattractive;10=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, 9, 2, 8, 4, 4, 7, 8, 8, 9, 3, 9 What is the confidence interval for the population mean μ? <μ< (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. A. We are confident that 99% of all adult females have attractiveness ratings between and_. (Round to one decimal place as needed.) B. We are 99% confident that the interval from to_actually contains the true mean attractiveness rating of all adult females. (Round to one decimal place as needed.) 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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 30PPS

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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=notattractive;10=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?

What is the confidence interval for the population mean

μ?

__<μ<__

(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.

We are confident that

99%

of all adult females have attractiveness ratings between

__and___.

(Round to one decimal place as needed.)

We are

99%

confident that the interval from

__to___actually contains the true mean attractiveness rating of all adult females.

(Round to one decimal place as needed.)

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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