The scores for a population are normally distributed with a mean equal to 25 and a standard deviation equal to 6. A researcher selects a sample of 36 students and measures a sample mean equal to 23 (M = 23). For this example: a. What is the value of Cohen's d? b. Is this effect size small, medium, or large? 2. %3D

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A: It is given that n=8 and SX=40.

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A: Given: n=16SSxx=26.92SSyy=104.00SSxy=-50.40

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A: μx¯ = μ

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Q: In this problem, assume that the distribution of differences is approximately normal. Note: For…

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Q: In this problem, assume thất the distribution of differences is approximately normal. Note: For…

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A: C. When you only have categorical variables to analyze