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Firdavs [7]
3 years ago
5

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?
Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
6 0

Solution: We are given:

μ=180,σ=25,n=100

Therefore the standard error of the mean is

\frac{standard deviation}{\sqrt{n}}

\frac{25}{\sqrt{100}}

2.5

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