(b) Which statement below is an example of a rank-order variable? A. A rank-order variable is a variable in which the meaning of the value of zero on the variable indicates a complete absence of the variable. An example of a rank-order variable is the position finished in a race by a runner. B. A rank-order variable is a numeric variable in which the measured values are listed in decreasing order. An example of a rank-order variable is the population of each country listed from largest to smallest. C. A rank-order variable is a numeric variable in which values correspond to a relative position of things measured. An example of a rank-order variable is the position finished in a race by a runner. D. A rank-order variable is a numeric variable in which values correspond to a relative position of things measured. An example of a rank-order variable is weight