Do bonds reduce the overall risk of an investment portfolio? Let x be a random v

Do bonds reduce the overall risk of an investment portfolio?
Let x be a random variable representing annual percent return for the Vanguard
Total Stock Index (all Stocks). Let y be a random variable representing annual
return for the Vanguard Balanced Index (60% stock and 40% bond). For the past
several years assume the following data. Compute the coefficient of variation
for each fund. Round your answers to the nearest tenth.x:1403622342425-14-14-22y:10-22917231817-2-3-10Answera.for x-values: 200.7% and for y-values: 217.2%b.for
x-values: 135.3% and for y-values: 200.7%c.for x-values: 125.0% and for y-values: 135.3%d.for x-values: 125.0% and for y-values: 217.2%e.for x-values: 203.4% and for y-values: 135.2%
Attachments: