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which of the following statements is true? Justify your answer with an example.

i)When the margin of error is small, the confidence level is high.
ii)When the margin of error is small, the confidence level is low.
iii)A confidence interval is a type of point estimate.
iv) A population mean is an example of a point estimate.

A) I only
B) II only
C) III only
D) IV only
E) None of the above

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