A theory-based test for comparing two means uses which of AD to approximate a null distribution? A.

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A theory-based test for comparing two means uses which of A–D to approximate a null distribution?

A. A normal distribution

B. A t-distribution that is a bit wider (or heavier in the tails) than a normal distribution

C. A t-distribution that is a bit narrower (or lighter in the tails) than a normal distribution

D. Either a normal or a t-distribution as they are the same

E. None of the above

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Introduction To Statistical Investigations

ISBN: 9781119683452

2nd Edition

Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy

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Question Posted: Feb 22, 2023 09:35 AM

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A theory-based test for comparing two means uses which of AD to approximate a null distribution? A.

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B A tdistribution ...View the full answer

Introduction To Statistical Investigations

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