Here are the percentage returns on two stocks. Month Digital Cheese Executive Fruit January 14 % 6 % February –3 1 March 6 4 April 8 14 May –4 2 June 4 6 July –2 –4 August –8 –2 a-1. Calculate the monthly variance and standard deviation of each stock. (Donot round intermediate calculations. Round your answers to 1 decimal places.) a-2. Which stock is the riskier if held on its own? multiple choice 1 Digital Cheese Executive Fruit b. Now calculate the variance and standard deviation of the returns on a portfolio that invests an equal amount each month in the two stocks. (Do not round intermediate calculations. Round your answers to 1 decimal places.)

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Here are the percentage returns on two stocks.
 

Month Digital Cheese   Executive Fruit
January   14 %     6 %
February   –3       1  
March   6       4  
April   8       14  
May   –4       2  
June   4       6  
July   –2       –4  
August   –8       –2  
 

 

a-1. Calculate the monthly variance and standard deviation of each stock. (Donot round intermediate calculations. Round your answers to 1 decimal places.)

 

 

 

 

 

a-2. Which stock is the riskier if held on its own?

 

 

multiple choice 1

  • Digital Cheese
  • Executive Fruit

 

 

b. Now calculate the variance and standard deviation of the  returns on a portfolio that invests an equal amount each month in the two stocks. (Do not round intermediate calculations. Round your answers to 1 decimal places.)

 

 

 

 

 

c. Is the variance more or less than half way between the variance of the two individual stocks?

 

 

multiple choice 2

  • more than the 50%-50%
  • less than the 50%
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