A correlation matrix must always be symmetric, so that the correlations above the diagonal are a mirror image of those below it

The Pension Protection Act of 2006 is available to employers with no more than ________ employees

A) 100 B) 250 C) 500 D) 750

A relationship between the instances of a single entity type is called a ________ relationship

A) ternary B) primary C) binary D) unary