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Author Question: What effect do you think the assumption of normality had on the answers to 150 and 151? ... (Read 94 times)

tsand2

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on: Jul 24, 2018
What effect do you think the assumption of normality had on the answers to 150 and 151? Explain.

Question 2

Do you think the assumption of normality is reasonable? Explain.


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cloudre37

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Reply #1 on: Jul 24, 2018
Answer to Question 1

The assumption of normality allowed the use of the normal probability distribution to estimate the probabilities.

Answer to Question 2

It is hard to tell if the assumption of normality is reasonable or not without studying wind speeds more extensively. However, it would not be surprising if wind speeds have a mounded distribution that could reasonably be approximated by the normal distribution. One might also expect the distribution to be skewed to the right since very high winds can occur. However, the assumption of normality seems reasonable.


tsand2

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Reply #2 on: Jul 24, 2018
Thank you!


cloudre37

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Reply #3 on: Jul 24, 2018
Always glad to help...


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