a) A project superintendent has some concerns about the progress of the XYZ project. She asks for some sampling studies to be carried out. (Show your calculations if possible) A field rating yields the following results: Workers on site: 95 . Workers observed: 79 Number seen working: 32 Calculate and enter the adjusted field rating index_ b) A follow up study indicates: Workers on site: 100 Workers observed: 90 Number seen doing effective work: 39 Number seen doing essential contributory work: 10 Calculate and enter the labor utilization factor: c) Explain how a knowledge of these values can be beneficial. What actions can be taken?