2. Danford et al. (1960) gave an example of a covariance matrix on 41 degree of freedom.; the variable was time (in days) after radiation. The variances and covariances were S = 4685 4522 5096 5202 5035 4746 5026 5090 4847 4933 4799 5287 5408 5250 5026 5323 5280 5238 5228 6151 6192 6055 5773 6120 6092 6027 6132 6525 6231 5923 6285 6204 6137 6252 6171 5850 6185 6150 6105 6175 5745 5941 6000 5950 5959 6479 6332 6371 6382 6523 6398 6390 6798 6566 6753 (a) Can an intraclass correlation model be assumed? Test at α = 0.05. (b) Are the scores for each time period independent? Test at a = = 0.05. (c) Does the result of (b) seem reasonable? (d) Perform an equicorrelation test for the covariance matrix. (e) Perform a sphericity test for the covariance matrix.
2. Danford et al. (1960) gave an example of a covariance matrix on 41 degree of freedom.; the variable was time (in days) after radiation. The variances and covariances were S = 4685 4522 5096 5202 5035 4746 5026 5090 4847 4933 4799 5287 5408 5250 5026 5323 5280 5238 5228 6151 6192 6055 5773 6120 6092 6027 6132 6525 6231 5923 6285 6204 6137 6252 6171 5850 6185 6150 6105 6175 5745 5941 6000 5950 5959 6479 6332 6371 6382 6523 6398 6390 6798 6566 6753 (a) Can an intraclass correlation model be assumed? Test at α = 0.05. (b) Are the scores for each time period independent? Test at a = = 0.05. (c) Does the result of (b) seem reasonable? (d) Perform an equicorrelation test for the covariance matrix. (e) Perform a sphericity test for the covariance matrix.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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