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If You Wish to Construct a Confidence Interval Estimate for the Difference

Question 10

Multiple Choice

If you wish to construct a confidence interval estimate for the difference between two population means, an increase in the sample sizes used will result in:


A) a decrease in the critical value z
B) a narrower confidence interval
C) a wider confidence interval
D) a confidence interval that contains zero
E) a confidence interval that does not contain zero

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