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Do bonds reduce the overall risk of an investment portfolio? Let x be a random variable representing annual percent return for the Vanguard Total Shock 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. Compare

Question 7 Not yet answered Points out of 4.00 P Flag 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 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 Ex 12 23 31 26 -12 12 -23 15 24 17 15 -3 Select one: o a. 155 o b. 132 O c. 78 o d. 109 e. 133 Previous page Next page
Question 9 Not yet answered Points out of 4.00 Flag 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 Index (all Stocks Let y be a random vanable representing annual return for the Vanguard Balanced Index (60% stock and 40% bond). For the past several years, assume the following data. Compute the sample mean for x and for y. Round your answer to the nearest tenth 36 -3 -3 Select one: 0 a.r-152.0 and y-93 o b. r-65.0 and y-9.1 o c.r-10.8 and y-8.5 o d.x-8.5 and y-10. e.r-37.0 and y-120
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一12-23 109 neoption lo8 lo 10.8 om & 5 (0.88.5

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