The given table represents the waiting time for order (in minutes) (X) and customer satisfaction ?(level (in percentage) (Y) of Albaik customers. What is the total of (x-xbar)^2 (1) نقطة) X 6 3 3 2 5 3 6 4 73 85 79 97 72 84 72 86 أدخل إجابتك 5 The given table represents the waiting time for order (in minutes) (X) and customer satisfaction *?(level (in percentage) (M) of Albaik customers. What is the slope of the regression line (b1 x 6 3 3 Y 73 85 79 (2) نقطة) 22 5 3 6 4 97 72 84 72 86 أدخل إجابتك 6 The given table represents the waiting time for order (in minutes) (X) and customer satisfaction 7(level (in percentage) (Y) of Albaik customers. What is y-intercept of the regression line (b0 2 نقطة) X 6 3 3 2 5 3 6 4 Y 73 85 79 97 72 84 72 86