What are the various Quality Theories ?

1. 80/20 Principle, defined quality as "fitness for use",developed by Joseph Juran

2. Plan-Do=Check-Act cycle, W.Edwards Deming

3. "Zero defects", defined as "conformance to requirements", Philip Crosby

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What are the different Methods of accuracy Estimates ?

1. Rough Order of Estimate:
Accuracy range = +-50
Done at Initiating Process

2. Budgeted Estimate:
Accuracy range = -10 to +25
Planning Process

3. Definitive Estimate:
Accuracy range = +- 10

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