Consider Exercise 7-33 which deals with the average wait time for the arrival of a cab. Using

Question:

Consider Exercise 7-33 which deals with the average wait time for the arrival of a cab. Using the data in Table 7-23, construct a geometric moving-average control chart. Use a weighing factor of 0.10. What conclusions can you draw from the chart? How is it different from the moving-average control chart constructed in Exercise 7-33?