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A population has a standard deviation σ of 17.9 units. (Give your answers correct to two...

A population has a standard deviation σ of 17.9 units. (Give your answers correct to two decimal places.)

(a) What is the standard error of the mean if samples of size 11 are selected?

(b) What is the standard error of the mean if samples of size 22 are selected?

(c) What is the standard error of the mean if samples of size 52 are selected?

(d) What is the standard error of the mean if samples of size 102 are selected?

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Stomdond emur 5.40 h2-22 G禾 c) ha 52 2748 102 doad

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