(Answered) Question 1-what is cost and benefit analysis explain the

Engineering

Question: 1- What is cost and benefit analysis? Explain the two different types of costs and two different types of benefits.

2- Discuss root-cause analysis as a BPA activity. What are the strengths and limitations of this technique?

3- It is recommended to use hierarchical structure in organizing team members if they are between 8-10. However, going through the hierarchical structure could delay completing tasks!
Discuss how using hierarchical structure in staffing could reduce complexity?

4- The data flow diagram levels are number 0,1,2 and going to level 3 and beyond is very uncommon. Highlight the differences between the different levels of DFD with one example and why it is uncommon to go beyond level 3 DFD.

Level	Description	Example
Level 0 DFD
Level 1 DFD
Level 2 DFD
Level 3 data flow diagram DFD and so on :

5- List four common mistakes encountered during Data Modelling?

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