(a) Why does the size of the CI become larger when we change from a 95% CI...

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(a) Why does the size of the CI become larger when we change from a 95% CI to a 99% CI?

(b) We can be more certain that the unknown population mean falls within the 99% CI than within the 95% CI. Why, then, don't we always use 99% CIs?

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Introductory Statistics For The Behavioral Sciences

ISBN: 9780470907764

7th Edition

Authors: Joan Welkowitz, Barry H. Cohen, R. Brooke Lea

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Question Posted: Feb 18, 2020 09:54 AM

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(a) Why does the size of the CI become larger when we change from a 95% CI...

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In most circumstances providing someone with an estimate without giving them some idea of how accurate your estimate really is might not be helpful If you ask me how heavy is a typical adult male Afri...View the full answer

Introductory Statistics For The Behavioral Sciences

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