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We have calculated a confidence interval based on a sample of size n = 100. After looking over our ...

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We have calculated a confidence interval based on a sample of size n = 100. After looking over our ...

We have calculated a confidence interval based on a sample of size n = 100. After looking over our work, we realized that the sample size was actually 400. How will the corrected interval compare to the original interval?

▸ The corrected interval will be the same width.

▸ The corrected interval will be twice as wide.

▸ The corrected interval will be four times as wide.

▸ The corrected interval will be one-half as wide.

▸ The corrected interval will be one-fourth as wide.

Textbook

Stats: Modeling the World

Edition: 4^th

Authors: Bock, Velleman, De Veaux

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