Mathematics, 17.10.2019 12:10 cubist7472

Aresearcher selects a sample from a population with μ = 30 and uses the sample to evaluate the effect of a treatment. after treatment, the sample has a mean of m = 32 and a variance of s2 = 6. if cohen’s d is used to measure the size of the treatment effect, which of the following would have no effect on the value of cohen’s d?

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