You are studying survival times for mice given a drug at one of three doses (Low, Medium,

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You are studying survival times for mice given a drug at one of three doses (Low, Medium, or High). You define two dummy variables:

(a) With these definitions, write the expressions for the mean survival at each dose.

(b) How would you express the differences between Medium and Low? High and Medium? High and Low?

(c) If your focus was on the impact of each successively higher dose, would this be more convenient than reference cell coding?

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Statistical Methods

ISBN: 9780128230435

4th Edition

Authors: Donna L. Mohr, William J. Wilson, Rudolf J. Freund

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Question Posted: Mar 28, 2024 04:16 AM

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You are studying survival times for mice given a drug at one of three doses (Low, Medium,

Question:

X10 if Low, 1 if Medium, 1 if High X2 0 if Low, 0 if Medium, 1 if High

Step by Step Answer:

In contrast reference cell coding would involve setting one dose level a...View the full answer

Statistical Methods

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