This book gives the Statistical approaches that were used in the study of variation in F4 of Mung bean. Statistical approaches such as co-efficient of variation, heritability, genetic variation, correlation and path analysis were used. How these statistical approaches were useful for a breeder to select a best variety or species. Statistics is the heart of Genetics. This book provides the information about how various parameters of mung bean that are useful for the breeder to select a better variety of mung bean.