loss and return stock, accounting homework help

The allied group has acquired Kramer industries and is now considering additional investments. The firm was established in 1990 and has the following historical returns: 1990——-8% loss; 1995——23%loss ;2000—–26%loss; 2005—-31% loss; 2010–18% loss.

Questions:

– What was the average return for the stock over the period of 1990 through 2010?.

-What was the standard deviation for the stock over this period?.

– Assume that your currently have a portfolio that return 19.5%. If you add this stock to the current portfolio, what would happen to the average return on the portfolio?.

-Should allied invest in the stock?. Justify your response.

Note:

work was clearly written, with logical flow with minimal errors ( including APA format) and utilize appropriate citation/reference of sources.