48. A process has a process capability ratio of 1.938. is this a capable process a. True b. False 49. Look at the following diagram the out of control point is of concern because it is due to an assignable cause a. True b. False 50. An out of control process is one where one or more points on the control chart fall outside the control limits or demonstrate patterns within the control limits that is not a random walk. a. True b. False