Which of the following situations will result in the widest confidence interval about a mean? a. large n and α = 0.01 b. small n and α = 0.05 c. small n and α = 0.01 d. large n and α = 0.05 The answer is c: small n and α = 0.01. Please explain why and provide a solution.

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Which of the following situations will result in the widest confidence interval about a mean?

a. large n and α = 0.01

b. small n and α = 0.05

c. small n and α = 0.01

d. large n and α = 0.05

The answer is c: small n and α = 0.01. Please explain why and provide a solution. 

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