Introduction to Statistics and Data Analysis
Introduction to Statistics and Data Analysis
5th Edition
ISBN: 9781305115347
Author: Roxy Peck; Chris Olsen; Jay L. Devore
Publisher: Brooks Cole
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Chapter 16.2, Problem 8E

The effect of a restricted diet in the treatment of autistic children was examined in the paper “Gluten, Milk Proteins, and Autism: Dietary Intervention Effects on Behavior and Peptide Secretion” (Journal of Applied Nutrition [1991]: 1–8). Ten children with autistic syndrome participated in the study. Peptide secretion was measured before diet restrictions and again after a period of restricted diet. The resulting data follow.

Do these data suggest that the restricted diet was successful in reducing mean peptide secretion? Test the relevant hypotheses using the signed-rank test.

Chapter 16.2, Problem 8E, The effect of a restricted diet in the treatment of autistic children was examined in the paper

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