40 married couples without children are asked to report the number of times per year they initiate a date night. The men report initiating an average of 9.3 date nights with a standard deviation of 4. Is there significant evidence to conclude that married men without children initiate date night more than 8 times per year at the 0.01 significance level? Note that there's evidence that this distribution is skewed.What level of concern do you have for the validity of your results?Questionable −- there is likely to be some nonresponse bias, but at least n>30Questionable −- there is likely to be some response bias and, while n>30, the skewness in the distribution is concerningQuestionable −- there is likely to be some response bias, but at least n>30Valid −- the sample size is greater than 30Questionable −- there is likely to be some nonresponse bias and, while n>30, the skewness in the distribution is concerningQuestionable −- While n>30, the skewness in the distribution is concerning

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Description: 40 married couples without children are asked to report the number of times per year they initiate a date night. The men report initiating an average of 9.3 date nights with a standard deviation of 4. Is there significant evidence to conclude that ma

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Answered: 40 married couples without children are…

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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40 married couples without children are asked to report the number of times per year they initiate a date night. The men report initiating an average of 9.3 date nights with a standard deviation of 4. Is there significant evidence to conclude that married men without children initiate date night more than 8 times per year at the 0.01 significance level? Note that there's evidence that this distribution is skewed.

What level of concern do you have for the validity of your results?

Questionable −- there is likely to be some nonresponse bias, but at least n>30
Questionable −- there is likely to be some response bias and, while n>30, the skewness in the distribution is concerning
Questionable −- there is likely to be some response bias, but at least n>30
Valid −- the sample size is greater than 30
Questionable −- there is likely to be some nonresponse bias and, while n>30, the skewness in the distribution is concerning
Questionable −- While n>30, the skewness in the distribution is concerning

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