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.
A comedy is a very popular type of movie. Some comedy movies have slapstick comedy, in which people just do silly things such as tripping, falling over or embarrassing themselves just to make people laugh. Other comedy movies show funny stories or situations in which people are behaving in a silly manner.omedy (from Greek: KÏÎ¼ÏÎ´Î¯Î±) may be used in different ways: 1  A comedy is, in modern times, a drama which has a generally funny content and in general a happy ending. 2  The word comedy is also used for television shows or movies that are funny, silly or that make people laugh.