Question
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
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 a 75% Chebyshev interval around the mean for x-values and also for y-values. Round your answers to the nearest hundredth.
x: | 11 | 0 | 38 | 21 | 34 | 23 | 24 | -11 | -11 | -21 |
y; | 7 | -4 | 27 | 14 | 22 | 18 | 14 | -4 | -5 | -7 |
Group of answer choices
for x-values: -30.20 to 23.32 and for y-values: -16.84 to 20.72
for x-values: -30.20 to 23.32 and for y-values: -4.32 to -14.24
for x-values: -9.70 to 51.80 and for y-values: -4.32 to 33.24
for x-values: -30.20 to 51.80 and for y-values: -16.84 to 33.24
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