### [solution] » (b) Use the results of part (a) to compute the sample mean, variance, and standard deviation for

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The Question

(b) 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 y x s2 s

Here was the first part of that question with your solution:

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: 37

#### Solution details

Solution #00020376

##### [solution] » (b) Use the results of part (a) to compute the sample mean, variance, and standard deviation for .zip

This paper was answered on 14-Oct-2020

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Oct 14, 2020

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