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Velocity Variance: Should we seek consistent velocity?
Rhythmic experimentation defines Scrum. A good Sprint experiment seeks to improve important metrics, such as increasing velocity or decreasing bug count. Some managers claim consistent velocity is important. Percent velocity deviation, σ(V)/E(V), is a reasonable metric to compare teams’ consistency. However, software companies usually look for innovation and profitability. Staid, old companies recreating boring stuff…