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4. Using this formula, and the data from the previous problem, what is the value of Cohen's d, and how would we interpret this effect size?

4. Using this formula, and the data from the previous problem, what is the value of Cohen's d, and how would we interpret this effect size?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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4. Using this formula, and the data from the previous problem, what is the value of Cohen's d, and how would we interpret this effect size? |X, - X2| d = Where SS, + SS2 Sw = п + nz — 2 0.43; this is a small effect size. 0.86; this is a large effect size. 0.08; this is a small effect size. 0.43; this is a medium effect size.
Transcribed Image Text:4. Using this formula, and the data from the previous problem, what is the value of Cohen's d, and how would we interpret this effect size? |X, - X2| d = Where SS, + SS2 Sw = п + nz — 2 0.43; this is a small effect size. 0.86; this is a large effect size. 0.08; this is a small effect size. 0.43; this is a medium effect size.
3. Suppose that I have the following data: Sample #1 X = 10.55 Sample #2 X = 8.34 SS = 1500.82 SS = 1300.19 n = 55 n = 53 (X1 - X2) SS, + SS2 tobt 1 n + n2 2 n2 Using this formula, what is the value of tobt? -7.66 -2.23 2.23 7.66
Transcribed Image Text:3. Suppose that I have the following data: Sample #1 X = 10.55 Sample #2 X = 8.34 SS = 1500.82 SS = 1300.19 n = 55 n = 53 (X1 - X2) SS, + SS2 tobt 1 n + n2 2 n2 Using this formula, what is the value of tobt? -7.66 -2.23 2.23 7.66
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