Can Estimates Make a Projects Fail?
Estimates are as defined by Larson & Gray as " process of forecasting or approximating the time and cost of completing project deliverables." There are 2 types of estimates: top/down & bottom/up Top/Down Estimates are estimates made by top management which will often come from previous experience in certain projects or are made when the team make a decision collectively. Top/Down estimates can involve understanding estimates by firstly identifying the final goal of the project, such as selling price and new upgrades that need to be implemented such as new technology updates on smartphones, creating a new smartphone which Samsung have done with the 'foldable' phone screen, building a new building such as the national children hospital Bottom/Down Estimates are done by the workers who will be doing the work in order to achieve the goals of top management. The estimates are based on costings of their time and effort which is bas...