Grade Boundaries: The Cumulative Distribution & Boundaries from Target Shares
This lesson is part of the course
In this lesson
You build the cumulative distribution of 24 fictional final marks, set a grade boundary from a target share with PERCENTILE.INC and check what share of candidates actually reaches it – ties and whole marks make the two differ.
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Lessons in this course
- Mark Schemes: Question Marks, Script Totals & Missing-Mark Checks Locked
- Double Marking: Differences, Tolerance Flags & Agreed Marks Locked
- Marker Consistency: Mean and Spread per Marker vs the Whole Team Locked
- Moderation: A Sample, a Line Through the Marks & Adjusted Marks Locked
- Grade Boundaries: The Cumulative Distribution & Boundaries from Target Shares Locked
- Boundary Sensitivity: Moving a Boundary by One or Two Marks Locked
- Components: Raw to Scaled Marks, Weighting & the Overall Grade Locked
- Capstone: Re-Marks, Final Marks, the Grade Distribution & a Chart Locked