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A researcher is testing the null hypothesis that μ = 120, with Ï M = 20. In reality, the population mean is 140. (a) Draw a figure like Figure 6.12. Designate in the figure the areas representing Type II error

A researcher is testing the null hypothesis that μ = 120, with σM= 20. In reality, the population mean is 140.

(a) Draw a figure like Figure 6.12. Designate in the figure the areas representing Type II error and power.

(A) Z -3 BP 118 -2 -1 120 122 124 126 128 130 (B) z -3 3 -2 -1 125 BP 121 123 127 129 131 133 (C) Z -3 BP 124 -2 -1 126


(b) Does one need to worry about Type I error?

Transcribed Image Text:

(A) Z -3 BP 118 -2 -1 120 122 124 126 128 130 (B) z -3 3 -2 -1 125 BP 121 123 127 129 131 133 (C) Z -3 BP 124 -2 -1 126 128 130 132 134 136

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Using And Interpreting Statistics

Using And Interpreting Statistics

ISBN: 9781429278607

2nd Edition

Authors: Eric W. Corty

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Question Details
Chapter # 6
Section: Exercises
Problem: 110
Posted Date: September 05, 2018 13:02:56
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