Which of the following is not a requirement for regression analysis? Choose the correct answer below. A. The method for regression analysis line is not robust. It is seriously affected by a small departure from a normal distribution. B. The sample of paired (x, y) data is a random sample of quantitative data. C. Outliers can have a strong effect on the regression equation, so remove any outliers if they are known to be errors. D. Visual examination of the scatterplot shows that the points approximate a straight-line pattern.