An independent-measures study produces sample means of M; - 20 and M2 - 17, and a pooled variance of 9. For this study, what is Cohen's d? O 3/9 O 3/3 O Impossible to determine without knowing the sample size

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A: Given: M1=45M2=49sp2=4Cohen's d=-2.00

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Q: An independent-measures study produces sample means of M1 = 84 and M2 = 102 and a pooled variance of…

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