BREAKING DOWN 'Mean-Variance Analysis'. There are two major factors in mean variance analysis: variance and expected return. 1  Variance represents how spread out the data set numbers are, such as the variability in daily or weekly returns of an individual security. 2  The expected return is a subjective probability assessment on the return of the stock.
A sitcom is a situation comedy.. It's used to describe a TV or radio show with a set cast of characters that find themselves in humorous or unusual situations. A sitcom is a situation comedy.. It's used to describe a TV or radio show with a set cast of characters that find themselves in humorous or unusual situations.
24 VERY Short-Lived TV Sitcoms. 06.15.14 Buzz. A strong storyline with a handful of interesting characters are the basis of a classic sitcom. Maybe the producers responsible for the sitcoms on this list should bear that in mindâ¦otherwise they will forever produce half-baked productions that last quicker than a blink of an eye.