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.
drama (drÉËmÉ ) A drama is a serious play for the theatre, television, or radio. He acted in radio dramas. You use drama to refer to plays in general or to work that is connected with plays and the theatre, such as acting or producing.