A determine the power of the test power 1474 b

This preview shows page 10 - 11 out of 11 pages.

We have textbook solutions for you!
The document you are viewing contains questions related to this textbook.
Engineering Fundamentals: An Introduction to Engineering
The document you are viewing contains questions related to this textbook.
Chapter 19 / Exercise 19.10
Engineering Fundamentals: An Introduction to Engineering
Moaveni
Expert Verified
a. Determine the Power of the test.
b. Determine Beta.
c. Determine the sample size needed if you wanted to conduct the test in
We have textbook solutions for you!
The document you are viewing contains questions related to this textbook.
Engineering Fundamentals: An Introduction to Engineering
The document you are viewing contains questions related to this textbook.
Chapter 19 / Exercise 19.10
Engineering Fundamentals: An Introduction to Engineering
Moaveni
Expert Verified
30. The drawing shown diagrams a hypothesis test for population mean design under the Null Hypothesis (top drawing) and a specific Alternative Hypothesis (bottom drawing). The sample size for the test is 200. a. State the Null and Alternative Hypotheses < 8
b. What are the values of 0 and in this problem? a
c. What is the significance level of
d. What is the Power of the test when the population mean = 4?
e. Determine the probability associated with Type I error.
f. Determine the probability associated with Type II error.
g. Under the Null Hypothesis, what is the probability the sample mean will be over 6?
h. If the significance level was set at 5%, would the power increase, decrease or stay the same?
i. If the test was conducted, and the p-value was .085, would the decision be Reject or Fail to Reject the
j. If the sample size was changed to 100, would the shaded on area on the bottom (Ha) graph increase,

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture