Dired. Sign In a) Nothing--the process is behaving as expected. b) Explore assignable causes because three observations are above the center line. c) Explore assignable causes because there is a trend. d) Establish tighter Control Limits. e) None of the above is true. Q#13. a) Fixed costs definitely increase and, normally, the variable cost per unit decreases True. b) Selling a wider range of products. c) A synonym for economies of scope. d) Normally, both fixed costs and variable cost per unit increase. e) None of the above is true. Q#14. The concept of economies of scope is best described as: a) A synonym for economics of scale. b) The use of brand extensions. c) Using existing channels of distribution to introduce a new product. d) Extending existing distribution channels to reach new customers. e) None of the above is true. P#15. Which of the following statements is true? a) Training of Service Personnel is a criterion for evaluating the explicit services feature of the service package. Let the cervice is fair and e