A stock had returns of 18.58%, -5.58%, and 20.81% for the past three years. What is the variance of returns?

Answers

Answer 1

Answer:

Variance = 0.02141851

Explanation:

We first calculate the mean for the stocks

Mean = (0.1858 - 0.0558 + 0.2081) / 3

Mean = 0.3381 / 3

Mean = 0.1127

Variance = [(0.1858 - 0.1127)^2 + (- 0.0558 - 0.1127)^2 + (0.2081 - 0.1127)^2] / 3 -1

Variance = [0.0731^2 + (-0.1685^2) + 0.0954^2] / 2

Variance = 0.00534361 + 0.02839225 + 0.00910116 / 2

Variance = 0.04283702 / 2

Variance = 0.02141851

The variance of returns is 0.02141851


Related Questions

Assuming a 360-day year, when a $49,200, 90-day, 6% interest-bearing note payable matures, the total payment will be ______ .
Round your answer to the nearest whole dollar.
a. $2,952
b. $49,938
c. $52,152
d. $49,200

Answers

Answer:

b. $49,938

Explanation:

The computation of the total payment is shown below:

Total payment is

= Principal + interest amount

where,

The Principal is $49,200

And, the interest is

= $49200 × 6% × 90 days ÷ 360 days  

= $738

Now

Total payment is

= $49,200 + $738

=  $49,938

hence, the correct option is b. $49,938

The same is to be considered

3. Colloids are used in food preparations like in baking
pastries and cakes.yes or no​

Answers

Yes they colloids are used in food perparations like pastries and cakes

PATTYCAKE PATTYCAKE PASTAMAN, GIMME PASTA POWER AS FAST AS U CAN

Answers

Answer:

Roll it, put in the oven for me and you

Explanation:

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