Answer:
Standard deviation =13.6
Step-by-step explanation:
Standard deviation is measure of the total risks of an investment. It measures the volatility in return of an investment as a result of both systematic and non-systematic risks.
Non-systematic risk includes risk that are unique to a company like poor management, legal suit against the company .
Standard deviation is the sum of the squared deviation of the individual return from the mean return under different scenarios .
Further more, it can be calculated as the square root of the variance of the portfolio.
Standard deviation = √ variance
DATA
Variance = 184
Standard deviation = √184 = 13.6
Standard deviation =13.6