Question: A random sample is selected from a normal population with a mean of = 110 and a standard deviation of = 11. After treatment is

A random sample is selected from a normal population with a mean of = 110 and a standard deviation of = 11. After treatment is administered to the individuals in the sample, the sample mean is found to be M = 115. Based on Cohen's d, which of the following best describes the effect size? Group of answer choices Very small Very large Small to medium

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