Suppose that a professor randomly assigns students to study groups of n 4 students The final exam in the professors class has a mean of 75 and a standard deviation of 10 What is the expected value of the mean and the standard deviation of the distribution of study group means

Question: Suppose that a professor randomly assigns students to study groups of n = 4 students. The final exam in the professors class has a mean

Suppose that a professor randomly assigns students to study groups of n = 4 students. The final exam in the professor’s class has a mean of μ = 75 and a standard deviation of σ = 10. What is the expected value of the mean and the standard deviation of the distribution of study group means?

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