Refer to Exercise 16.18. a. Test whether the equations relating verbalization skill to age for the four
Question:
a. Test whether the equations relating verbalization skill to age for the four socioeconomic groups are parallel lines.
b. Are there significant differences in the mean verbalization scores for the four groups? Test this hypothesis using α = .05.
c. Place 95% confidence intervals on the mean adjusted verbalization scores for the four groups.
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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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