What are the two parts to effective performance appraisals?

When dealing with the problem of nonconstant variance, the reciprocal transformation means using

a. 1/x as the independent variable instead of x. b. x2 as the independent variable instead of x. c. y2 as the dependent variable instead of y. d. 1/y as the dependent variable instead of y.

_____ is the paid integration of branded products in movies and on television

a. Brand equity b. Product extension c. Brand extension d. Product placement