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

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Basic Math

Do bonds reduce the overall risk of an investment portfolio? Letx be a random variable representing annual percent returnfor Vanguard Total Stock Index (all stocks). Let y be arandom variable representing annual return for Vanguard BalancedIndex (60% stock and 40% bond). For the past several years, we havethe following data.

x:

28

0

38

25

17

33

28

−18

−21

−19

y:

18

−8

28

18

8

15

12

−9

−9

−4

Compute a 75% Chebyshev interval around the mean for xvalues and also for y values. (Round your answers to twodecimal places.)

Answer & Explanation Solved by verified expert
3.7 Ratings (671 Votes)
We start by calculating the mean and standard deviationi12345678910TotalAvergaeStd    See Answer
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