A sample of size ______ would have the narrowest confidence interval for the mean.

A) N = 140
B) N = 200
C) N = 300
D) N = 425

Question

A sample of size ______ would have the narrowest confidence interval for the mean.A)  N = 140B)  N = 200C)  N = 300D)  N = 425

Madison Lewis · Accepted Answer

Final Answer : D, Explanation :  The larger the sample size, the narrower the confidence interval will be. Out of the given options, sample size of 425 is the largest and would have the narrowest confidence interval.

A sample of size ______ would have the narrowest confidence interval for the mean.

A) N = 140
B) N = 200
C) N = 300
D) N = 425

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