The following MINITAB output presents a power calculation. a. ? What is the power requested by the

Question:

The following MINITAB output presents a power calculation.

a.?What is the power requested by the experimenter?

b. To guarantee a power of 0.864138, how many observations must be taken for all treatments combined?

c. What is the difference between treatment means that can be detected with a power of at least 0.864138?

d. Is the power to detect a maximum difference of 250 greater than 0.864138 or less than 0.864138? Explain.

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Statistics For Engineers And Scientists

ISBN: 9780073401331

4th Edition

Authors: William Navidi

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Question Posted: Nov 14, 2018 10:50 AM

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The following MINITAB output presents a power calculation. a. ? What is the power requested by the

Question:

Alpha 0.05 Assumed standard deviation = 142.6 Number of Levels = 4 SS Means 20000 Sample Size Target Power 0.85 Maximum Difference 200 Actual Power 14 0.864138 The sample size is for each level.

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a The target power is 085 b The are 4 levels or grou...View the full answer

Statistics For Engineers And Scientists

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