Notice in Table that the average standard deviation among the ten stocks is 31 4 , yet Figure shows that a portfolio comprised of ten stocks has a standard deviation of about 20 Explain why these two figures are not equal ...

The standard deviation of a portfolio of stocks will ...

Notice in Table that the average standard deviation among the ten stocks is 31.4%, yet Figure shows

Question:

Notice in Table that the average standard deviation among the ten is 31.4%, yet Figure shows that a comprised of ten has a standard deviation of about 20%. Explain why these two figures are not equal.
Stocks
Stocks or shares are generally equity instruments that provide the largest source of raising funds in any public or private listed company's. The instruments are issued on a stock exchange from where a large number of general public who are willing... Portfolio
A portfolio is a grouping of financial assets such as stocks, bonds, commodities, currencies and cash equivalents, as well as their fund counterparts, including mutual, exchange-traded and closed funds. A portfolio can also consist of non-publicly...