A sample of n = 4 scores is selected from a population with μ = 40 with σ = 8,and the sample mean is M = 43.What is the standard error for the sample mean?
A)8
B)4
C)3
D)2

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The Answer of A sample of n = 4 scores is selected from a population with μ = 40 with σ = 8,and the sample mean is M = 43.What is the standard error for the sample mean?
A)8
B)4
C)3
D)2

A Sample of N = 4 Scores Is Selected from a Population