An educator has obtained class average scores on a standardized test for classes from each grade from
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An educator has obtained class average scores on a standardized test for classes from each grade from first through seventh at each of four schools in a city. These are shown in the following table. To assess differences among schools, the educator decides to conduct a randomized-blocks ANOVA, treating grade as a blocking factor.
b. Provide F tests about school and grade differences, using α = .05. What do you conclude?
c. Why might using the children's individual scores be better than using mean scores?
Dependent Variable: SCORE
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Related Book For
Applied Regression Analysis And Other Multivariable Methods
ISBN: 632
5th Edition
Authors: David G. Kleinbaum, Lawrence L. Kupper, Azhar Nizam, Eli S. Rosenberg
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