Change Control Management Process

i need the following 2 questions answered. please make each response 125 words or more. Please cite one reference per question.

1. Why is change control management important to the project manager? What can happen if an organization does not have an established change control management process? As a project manager, how would you ensure control management is accomplished?

2. Progress reports are critical in monitoring progress. During the weekly reporting, one person gives the status of an 8-day task as 50% complete and 5 days remaining on the work. How many ways could this be interpreted and what are the implications of reading it the wrong way?

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