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21 January, 15:34

A treatment is administered to a sample of n = 9 individuals selected from a population with a mean of LaTeX: / muμ = 80 and a standard deviation of LaTeX: / sigmaσ = 12. After treatment, the effect size is measured by computing Cohen's d, and a value of d = 0.50 is obtained. Based on this information, what is the mean for the treated sample? Group of answer choices

M=6

M=19

M=8

none of above

+5
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  1. 21 January, 15:56
    0
    none of the above

    Step-by-step explanation:

    cohen's d = (Mean of population - mean of sample) / standard deviation of population

    0.5 = (80-mean of sample) / 12

    Mean of sample = 74
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