Sample Irregularities Sample Irregularities Sample Irregularities Sample Irregularities 1 6 11 16 2 7 12 17 3 8 13 18 4 9 14 19 5 10 15 20 a. Using these​ data, set up a​ c-chart with z. The equals 21.46 and the equals 1.24. ​(Enter your responses rounded to two decimal​ places.) b. Suppose that the next five samples had ​, ​, ​, ​, and irregularities. What do you​ conclude? A. At least one of the sample points is greater than the lower control​ limit, so the process is not in control. B. C. D. All of the sample points are within the control​ limits, so the process is not in control. E. At least one of the sample points is less than the upper control​ limit, so the process is not in control. F.