Based on the official Standard Deviation Formula used by TCS/NTA.
Logic: Since your shift average (0) was lower than the global average (0), the formula considers your shift "Hard" and compensates you with extra marks.
The Staff Selection Commission (SSC) uses a mathematical formula to ensure fairness across multiple shifts.
Use this tool with data provided by exam analysis channels (like RB Revolution or RankIQ) to get the most accurate prediction.