What Is a Harmonic Mean? The harmonic mean is a type of numerical average. It is calculated by dividing the number of observations by the reciprocal of each number in the series. Thus, the harmonic mean is the reciprocal of the arithmetic mean of the reciprocals.
Explanation:
Phases of software development are ;
1. Requirements analysis
2.Domain analysis
3.Client-oriented design
4.Implementation-oriented design
5.Implementation
6.Integration
7.Packaging.
Ongoing Activities in Software Development
1. Risk analysis
2. Planning
3.Verification
4.Documentation
<span>A contingency plan is created by entity in order to anticipate events that would possibly threaten assets and security of the organization. This would allow for reacting and recovering to restore normal business operations.</span>