Question: In a planned study, there is a known population with a normal distribution, = 15, and = 2. What is the predicted mean

In a planned study, there is a known population with a normal distribution, μ = 15, and σ = 2. What is the predicted mean if the researcher predicts
(a) A small positive effect size.
(b) A medium negative effect size.
(c) A large positive effect size.
(d) An effect size of d = .35.
(e) An effect size of d = -1.50?

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