What three assumptions must be met when you are using the z test to test differences between

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What three assumptions must be met when you are using the z test to test differences between two means when σ₁ and σ₂ are known?

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Elementary Statistics A Step By Step Approach

ISBN: 9781259755330

10th Edition

Authors: Allan G. Bluman

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Question Posted: Sep 07, 2018 01:45 PM

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What three assumptions must be met when you are using the z test to test differences between

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Both samples are random samples ...View the full answer

Elementary Statistics A Step By Step Approach

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