In Exercises 24,26, and 28, we've tested a hypothesis about whether the use of statistics in NEJM

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In Exercises 24,26, and 28, we've tested a hypothesis about whether the use of statistics in NEJM medical articles has changed over time. The table shows the test's residuals.

a) Show how the residual for the 1989/No cell was calculated.
b) What can you conclude from the patterns in the standardized residuals?

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Stats Data and Models

ISBN: 978-0321986498

4th edition

Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock

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Question Posted: Jan 20, 2016 06:17 AM

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In Exercises 24,26, and 28, we've tested a hypothesis about whether the use of statistics in NEJM

Question:

1978-79 1989 2004-05 No Stats 3.39 1.68 -2.48 Stats 1.64 0.81 1.20

Step by Step Answer:

a c Obs Exp Exp 14 2185 2185 168 b The resid...View the full answer

Stats Data and Models

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