Which of the following approaches (steps executed in the order they appear in the list) (1) makes data transformations explicit and (2) minimizes the complexity of the formulas required to calculate course averages? 1) 2) 3) Move scores for Q1 and Q7 to the left of other quiz scores, rescale Q1 and Q7 in new columns, average the quiz scores, average exam parts and add adjustment points, and weight course components into a course average 4) Rescale Q1 and Q7 in their existing columns, average the quiz scores, average exam parts and add adjustment points, and weight course components into a course average Move scores for Q1 and Q7 to the left of other quiz scores, rescale Q1 and Q7 in new columns, average the quiz scores, add adjustment points, average exam parts, and weight course components into a course average Rescale Q1 and Q7 in their existing columns, average the quiz scores, add adjustment points, average exam parts, and weight course components into a course average