PLEASE HELP ME<3 Write a short paper describing the history and differences between Six Sigma, Waterfall, Agile, and Scrum models. Understanding these models can give you a good idea of how diverse and interesting IT development projects can be. Describe what the rationale for them is and describe their key features. Describe the history behind their development.

Search the web for information on these topics and describe where they are most effectively used. The length of the paper should be at least 400 words and should include all three models, their basic definitions, for what kind of projects they are used, and their limitations or drawbacks.

The difference present between the Agile model and Waterfall model are defined as follows:-

The working of the Agile model is done in separate sprints and Waterfall model persist the working in different steps of the process.

The flexibility of the Agile method is better than Waterfall method which is considered rigid.

The working if the agile methodology is the increasing order whereas waterfall method has more sort of sequential order functioning.

The reviewing of the test plan is done after execution of every sprint in agile model whereas the test plan in waterfall method is watched while the functioning in the test phase.

Explanation:

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