QUESTION 3 In a control chart, when a data point falls beyond Zone A, what does it mean? It should be in Zone B and is an alert for possible mean shift It is just a normal event o It may be a problem, depending on results of R-chart o It should be a major event due to special cause QUESTION 4 Suppose we are given a data set of 25 samples with 10 data points per sample. To make an X chart of XmR, which Shewhart constant "d2" should be used? Use d2(10) = 0.3249 Use d2(2) = 1.128 Use d2(10) = 3.078 Use d2(25) = 3.931 QUESTION 3 In a control chart, when a data point falls beyond Zone A, what does it mean? It should be in Zone B and is an alert for possible mean shift It is just a normal event o It may be a problem, depending on results of R-chart o It should be a major event due to special cause QUESTION 4 Suppose we are given a data set of 25 samples with 10 data points per sample. To make an X chart of XmR, which Shewhart constant "d2" should be used? Use d2(10) = 0.3249 Use d2(2) = 1.128 Use d2(10) = 3.078 Use d2(25) = 3.931