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Author Question: A sample of 225 elements from a population with a standard deviation of 75 is selected. The sample ... (Read 390 times)

DyllonKazuo

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on: Jun 24, 2018
A sample of 225 elements from a population with a standard deviation of 75 is selected. The sample mean is 180 . The 95 confidence interval for  is
 a. 105 to 225.
   b. 175 to 185.
   c. 171.78 to 188.22.
   d. 170.2 to 189.8.

Question 2

Which of the following tests would not be an example of a nonparametric method?
 a. Mann-Whitney-Wilcoxon test
  b. Wilcoxon signed-rank test
  c. sign test
  d. t test


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Galvarado142

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

d

Answer to Question 2

d


DyllonKazuo

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Reply #2 on: Jun 24, 2018
Thank you :)


Galvarado142

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Reply #3 on: Jun 24, 2018
Happy to help you


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