The number of siblings a person has is a discrete variable, or a variable that has only certain values. For example, a person isn't going to have 2.34978 siblings; he will have two siblings or three siblings.
Tommy Rettig. Thomas Noel Rettig, known as Tommy Rettig (December 10, 1941 â February 15, 1996), was an American child actor, computer software engineer, and author. Rettig is remembered for portraying the character Jeff Miller in the first three seasons of CBS's Lassie television series, from 1954 to 1957, later seen in syndicated re-runs as Jeff's Collie.
Thomas Richard Tommy Bolin (August 1, 1951 â December 4, 1976) was an American guitarist who played with Zephyr (from 1969 to 1971), James Gang (from 1973 through 1974), and Deep Purple (from 1975 to 1976), in addition to maintaining a notable solo career.