Chapter 4 - Diversification
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Table 4-1: Projected Returns on Stock and Bond Funds in Percentage Points

The final two columns should be:

   50-50    Portfolio    
ReturnDeviation
0.5*(S+B)(S-S)(B-B)
14.0-114.0
8.51.0
-1.0-84.0
7.5-49.0

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Example 1:

Tardis Intertemporal (TI) has an expected return of 15% with a standard deviation of 20%

and

Hypothetical Resources (HR) has an expected return of 21% with a standard deviation of 40%

75

The first equation on the page should be:

σ 2 = ( w TI2 σ TI2 ) + 2  ( w TI σTI * 1.0 * w HR σHR ) + ( w HR2 σ HR2 )