1 answer

Ford Motor Company had realized returns of 10%, 20%, -10%, and -10% over four quarters. What...

Question:

Ford Motor Company had realized returns of 10%, 20%, -10%, and -10% over four quarters. What is the quarterly standard deviat
Ford Motor Company had realized returns of 10%, 20%, -10%, and -10% over four quarters. What is the quarterly standard deviation of returns for Ford? O A. 13.5% O B. 12.75% O C. 15% OD. 14.25%

Answers

Average Return = (0.1 + 0.2 - 0.1 - 0.1) /4

= 0.025

Std Dev = {(R1 - Average)^2 + (R2 - Average)^2 + (R3 - Average)^2 + (R4 - Average)^2 }/'(sample size -1)

= { (0.1 - 0.025)^2 + (0.2 - 0.025)^2 + (-0.1 - 0.025)^2 + (-0.1 - 0.025)^2 } /(4-1)

= 0.15 = 15% Answer

The option C is correct.

Please let me know in case you have any queries and I will be happy to assist you.

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