Answered: In a study of speed dating, male…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

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?

What is the confidence interval for the population mean

μ?

nothing<μ<nothing

(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

90%

confident that the interval from

nothing

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

(Round to one decimal place as needed.)

We are confident that

90%

of all adult females have attractiveness ratings between

nothing

and

nothing.

(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.

Click to select your answer(s).

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