Refer to the study described in Exercise 14.8. Use Tukeys W procedure to identify sig-nificant differences in
Question:
a. Use Tukey€™s W procedure to identify significant differences in the mean attention spans of the three age groups of children.
b. Use Tukey€™s W procedure to identify significant differences in the mean attention spans for the types of products.
c. Are your conclusions in part (a) the same for both types of products?
In exercise
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a Because of the significance of the AP interaction we cannot compare the marginal means We need to ...View the full answer
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Related Book For 
An Introduction To Statistical Methods And Data Analysis
ISBN: 9781305465527
7th Edition
Authors: R. Lyman Ott, Micheal T. Longnecker
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