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A sample of n = 4 scores is selected from a population with m = 40 with s = 8, and the sample mean is M = 43. What is the standard error for the sample mean?

Respuesta :

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Standard error (SE)
[tex]se= \frac{s}{ \sqrt{n} } [/tex]
Or

[tex]se = \sqrt{ \frac{ {s}^{2} }{n} } [/tex]

Therefore, SE of the mean = (8)/(2) =4

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