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Consider an x distribution with standard deviation = 18. (For each answer, enter an exact number.) (a) If specifications for a research project require the

Consider an x distribution with standard deviation = 18. (For each answer, enter an exact number.) (a) If specifications for a research project require the standard error of the corresponding x bar distribution to be 2, how large does the sample size need to be? n =

(b) If specifications for a research project require the standard error of the corresponding x bar distribution to be 1, how large does the sample size need to be? n =

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