U.S. President Barack Obama drives a golf cart at the Army Navy Country Club in Fairfax, Virginia, U.S., July 16, 2016. Pres. Obama's summer vacation on Martha's Vineyard began in earnest Sunday as he hit the links for a round of golf - his 300th since taking office.
A coefficient in literal form in an algebraic term is called a literal coefficient. In mathematics, a coefficient is basically a multiplicative factor in a term but in algebra, a literal coefficient is a multiplying factor which contains one or product of more literal numbers in an algebraic term. Examples $(1) \,\,\,\,\,$ $7a$
The coefficient of determination is the square of the correlation (r) between predicted y scores and actual y scores; thus, it ranges from 0 to 1. With linear regression, the coefficient of determination is also equal to the square of the correlation between x and y scores.