Question
Suppose a population has a mean weight of 180 pounds and a standard deviation of 25 pounds. a sample of 100 items is drawn from this population. what is the standard error of the mean?
Asked by: USER5565
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184 Answers
Answer (184)
Solution: We are given:
μ=180,σ=25,n=100
Therefore the standard error of the mean is
[tex] \frac{standard deviation}{\sqrt{n}} [/tex]
[tex] \frac{25}{\sqrt{100}} [/tex]
[tex] 2.5 [/tex]