Do bonds reduce the overall risk of an investment portfolio? Let x be a random variable representing annual percent return for Vanguard Total Stock Index (all stocks). Let y be a random variable representing annual return for Vanguard Balanced Index (60% stock and 40% bond). For the past several years, we have the following data.
x: |
26 |
0 |
26 |
32 |
23 |
29 |
32 |
−23 |
−15 |
−24 |
y: |
9 |
−10 |
20 |
23 |
23 |
17 |
17 |
−8 |
−10 |
−7 |
a. Use the results of part (a) to compute the sample mean, variance, and standard deviation for x and for y. (Round your answers to two decimal places.)
x- s2 s
b. Compute a 75% Chebyshev interval around the mean for x values and also for y values. (Round your answers to two decimal places.)
x | y | |
Lower Limit | ||
Upper Limit |
c.Compute the coefficient of variation for each fund. (Round your answers to the nearest whole number.)
x | y | |
CV | % | % |
Do bonds reduce the overall risk of an investment portfolio? Let x be a random variable...
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: 13 0...
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. 15 0 38 21 31 23 24 -15 -15 -21 6 -4 28 18 22 17 18 -4 -5 -6 The sample means...
Do bonds reduce the overall risk of an investment portfolio? Let x be a random variable representing annual percent return for Vanguard Total Stock Index (all stocks). Let y be a random variable representing annual return for Vanguard Balanced Index (60% stock and 40% bond). For the past several years, we have the following data. x: 13 0 22 33 20 27 19 −20 −13 −10 y: 16 −5 25 21 23 20 15 −7 −4 −2 (a) Compute Σx,...
Do bonds reduce the overall risk of an investment portfolio? Let x be a random variable representing annual percent return for Vanguard Total Stock Index (all stocks). Let y be a random variable representing annual return for Vanguard Balanced Index (60% stock and 40% bond). For the past several years, we have the following data. x: 30 0 17 38 38 34 25 −16 −22 −22 y: 10 −4 16 14 20 20 20 −8 −1 −6 (a) Compute Σx,...
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...
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: 13 0 38 23 35 25 26 -13...
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. -13 -3 -16 -7 130 38 23 35 25...
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 . 12 0 39 23 31 25 26 -12 -12 -23 9 -3 26 15 24 17 15 -3 -4 -9
Question 10 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 the coefficient of variation for each fund. Round your answers to...
Question 8 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 y2 12 39 -12 24 26 27 12 33 -24 6...