# statistics

For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size- (b) 3.

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asked by Mae
1. Take standard deviation and divide it by the square root of the sample size.

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2. a population has a mean of 1100 an st. dev of 15. ind the mean and st.dev of the sample mean with the given size :
a) n- 50

b)n = 50

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posted by louanee

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