Variance Estimates and the F Ratio
Variance Estimates and the F Ratio
Variance Estimates and the F Ratio
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Degrees of Freedom<br />
Note that df T = df A + df S/A <strong>and</strong> (a)(n)-1 = (a-<br />
1)+a(n-1).<br />
For example, for data in Table 2-2, SS T has df T =<br />
df A +df S/A = (3-1)+3(5-1) = 14 given <strong>the</strong> estimate<br />
of <strong>the</strong> population mean is [Y] = 10 <strong>and</strong>,<br />
consequently, <strong>the</strong>re is one constraint.
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