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A population is normally distributed with a mean of 61 and a standard deviation of 15....

A population is normally distributed with a mean of 61 and a standard deviation of 15.

(a) What is the mean of the sampling distribution (μM) for this population?
μM =  

(b) If a sample of 25 participants is selected from this population, what is the standard error of the mean (σM)?
σM =  

(c) Sketch the shape of this distribution with

M ± 3 SEM.

math   Statistics-And-Probability   
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