13.11. Refer to the previous exercise. The means of percentage registered for the three categories are x1
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13.11. Refer to the previous exercise. The means of percentage registered for the three categories are ¯x1 = 76.2,
¯x2 = 49.5, and ¯x3 = 39.7. The overall mean ¯x = 60.4.
(a) Find the adjusted mean of the percentage voting for Anglos. Compare it to the unadjusted mean of 52.3, and interpret.
(b) Sketch a plot of the no-interaction model for these data, and identify on it the unadjusted and adjusted means for Anglos.
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Related Book For
Statistical Methods For The Social Sciences
ISBN: 9781292220314
5th Global Edition
Authors: Alan Agresti
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