A Treatment Is Administered to a Sample of N =

question 67

Multiple Choice

A treatment is administered to a sample of n = 9 individuals selected from a population with a mean of µ = 80 and a standard deviation of σ = 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?

• A)M = 6
• B)M = 82
• C)M = 86
• D)Cannot answer without knowing the sample size

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