A Sample Is Selected from a Population with μ =

question 64

Multiple Choice

A sample is selected from a population with μ = 70,and a treatment is administered to the sample.After treatment,the sample mean is M = 74,and Cohen's d is d = 1.00.What is the value of the sample variance?

• A)s² = 2
• B)s² = 4
• C)s² = 16
• D)It is impossible to determine the sample variance without more information.

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