Question 1: Which variable contributes the most to the regression model? Question 2: What is the maximum error for predictions of quantity 3? What is it for quantityoil Question 3: Based on the visualization, how reliable do you think the regression analysis is? Why? Question 4: For Sales Org Germany North, what are the expected sales of Professional Touring Bike - Black next month? What are expected sales of Professional Touring Bike - Silver? Question 5: If Peter has no black professional touring bikes in inventory in Germany North and he wishes to have a safety stock of 2, how many must he schedule for production next month for this sales organization