Question: The scores for a population are normally distributed with a mean equal to 25 and standard deviation equal to 6. A researcher selects a sample

The scores for a population are normally distributed with a mean equal to 25 and standard deviation equal to 6. A researcher selects a sample of 36 students and measures a sample mean equal to 23. For this example, 1. What is the value of Cohen’s d?

2. Is this effect size small, medium, or large?

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