irene5086 irene5086
  • 14-06-2018
  • Mathematics
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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?

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  • 26-06-2018
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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