Question: Why are larger samples better? Statisticians prefer large samples. Describe briefl y the eff ect of increasing the size of a sample (or the number

Why are larger samples better? Statisticians prefer large samples. Describe briefl y the eff ect of increasing the size of a sample (or the number of subjects in an experiment) on each of the following.

(a) Th e margin of error of a 95% confi dence interval.

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

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