Cohort & Parameters
Sample Size (Students)
1,000
Raw Score Mean (μ)
19.5
Raw Std Dev (σ)
7.2
Moderation Rules
Pass Mark Threshold
23 / 70
Grace Mark Allowance
+5 Marks
Target Grace Window
Within 5 Marks
Linear Shift Scaling
+2.0 Marks
Moderation Curve Algorithm
Raw Pass Rate
31.2%
312 / 1000 passed
Post-Moderation Pass Rate
68.4%
+37.2% Net Increase
Grace Mark Saved
248
Marginal candidates passed
Cohort Mean Shift
23.8
+4.3 Marks Moderated
Raw vs. Moderated Score Distribution Density
Raw Fail (< Threshold)
Raw Pass
Grace-Rescued Pass
Moderated Distribution Overlay
Grade Boundary Migration Analysis
| Score Range | Classification | Raw Candidates | Moderated Candidates | Net Shift |
|---|
Context & Physics Compartment Reality: Based on public feedback regarding high difficulty in Class 12 Physics compartment examinations (Anurag Tyagi, July 29). Moderation rules simulate grace mark distribution vectors applied to salvage marginal scores while scaling core cohort parameters.