Question

Ford GE Amazon 2016 10 - 6 2 2017 - 5 13 6 2018 14 -...

Ford GE Amazon

2016 10 - 6 2

2017 - 5 13 6

2018 14 - 5 1

2019 - 7 18 7

Consider the portfolio consisting of 60% = .60 Ford and 40% = .40 GE. What is the sample mean of this portfolio?  What is the sample variance of this portfolio? What is the sample standard deviation of this portfolio?

a.

sample mean = 4, sample variance 47.56, sample standard deviation= 6.83
b.

sample mean =3.8,  sample variance = 82.37, sample standard deviation 9.06
c.

sample mean =3.8, sample variance = 3.332, sample standard deviation = 1.825
d.

None of these

Consider the portfolio consisting of 30% =.30 GE and 70% = .70 Amazon. What is the sample mean of this portfolio? What is the sample variance of this portfolio? What is the sample standard deviation of this portfolio?

a.

sample mean = 3.8, sample variance = 66.298, sample standard deviation =7.926
b.

sample mean = 4.3,  sample variance = 32.846, sample standard deviation = 5.731
c.

sample mean = 3.6, sample variance = 58.522, sample standard deviation = 7.650
d.

None of these
Math   Statistics-And-Probability   
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Answer #1

Consider the portfolio consisting of 60% = .60 Ford and 40% = .40 GE. What is the sample mean of this portfolio?  What is the sample variance of this portfolio? What is the sample standard deviation of this portfolio?

Hence correct option will be d

d) None of these


B. Consider the portfolio consisting of 30% =.30 GE and 70% = .70 Amazon. What is the sample mean of this portfolio? What is the sample variance of this portfolio? What is the sample standard deviation of this portfolio?

Hence option is d .

d) None of thses

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