[Answered] A sample of 225 elements from a population with a standard deviation of 75 is selected. The sample ...

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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 111 times)

DyllonKazuo

Hero Member
Posts: 565

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

Sr. Member
Posts: 348

Reply #1 on: Jun 24, 2018

Answer to Question 1

d

Answer to Question 2

d

DyllonKazuo

Hero Member
Posts: 565

Reply #2 on: Jun 24, 2018

Thank you

Galvarado142

Sr. Member
Posts: 348

Reply #3 on: Jun 24, 2018

Happy to help you

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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 111 times)

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