If the beta of the market index is 1.0 and the standard deviation of the market index increases from 12% to 18%, what is the new beta of the market index?

If the beta of the market index is 1.0 and the standard deviation of the market index increases from 12% to 18%, what is the new beta of the market index? 



a. 0.8
B. 1.0
c. 1.2
d. 1.5


Answer: B. 1.0


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