The National Math and Science Initiative (NMSI) has recently begun a controversial program in which high school students are paid cash incentives for passing an end-of-year standardized test. Suppose we conduct a similar study, in which end-of-year test scores (y) are measured on a scale of 0-100 and the amount of the cash incentive offered to the student (x) is measured in dollars from $0 to $500. The regression equation is: Score = 67.51 +0.0148 x Cash. The coefficient 0.0148 in the equation is the parameter betao our estimate of the parameter beta 1 the parameter beta1 our estimate of the parameter beta