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Unformatted text preview: 20 021417 5 275. The sample means are X A 6 32, X B 6 02, X C 6 28, X D 6 70. We can therefore conclude that D differs from A, B, and C, and that A differs from B. 3. (a) Let I be the number of levels for treatment. let J be the number of levels for blocks, and let K be the number of replications. Then I 3, J 4, and K 3. The number of degrees of freedom for treatments is I 1 2. The number of degrees of freedom for blocks is J 1 3. The number of degrees of freedom for interaction is I 1 J 1 6. The number of degrees of freedom for error is IJ K 1 24. The mean squares are found by dividing the sums of squares by their respective degrees of freedom. The F statistics are found by dividing each mean square by the mean square for error. The number of degrees...
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 Fall '11
 MattGilg
 Statistics

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