(Answered) Question why are larger samples better statisticians prefer

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Question: Why are larger samples better? Statisticians prefer large samples. Describe briefly the effect of increasing the size of a sample (or the number of subjects in an experiment) on each of the following.

(a) The margin of error of a 95% confidence interval.

(b) The P-value of a test, when H0 is false and all facts about the population remain unchanged as n increases.

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