Increasing the confidence level causes the margin of error of a confidence interval to a. Increase, b.

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Increasing the confidence level causes the margin of error of a confidence interval to 

a. Increase, 

b. Decrease, 

c. Stay the same.

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Statistics The Art And Science Of Learning From Data

ISBN: 9780321997838

4th Edition

Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg

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