Analysis of Variance
The next panel of Table 8.1 shows the
analysis of variance (ANOVA) for the
SCL. The sum of squares (SS) of the regression (.3752) is the portion of the variance of
the dependent variable (HP’s return) that is explained by the independent variable (the S&P
500 return); it is equal to b
HP
2
s
S&P 500
2
. The MS column for the residual (.0059) shows the vari-
ance of the unexplained portion of HP’s return, that is, the portion of return that is independent
of the market index. The square root of this value is the standard error (SE) of the regression
(.0767) reported in the first panel. If you divide the total SS of the regression (.7162) by 59,
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