AI Statistics Grader for Handwritten Answers
Proctor AI is an AI statistics grader that reads a whole class of handwritten statistics answer sheets and scores each against your rubric. Statistics mixes calculation, interpretation, and graphs, so grading follows the working and the conclusion.
Upload one PDF, type a prompt or attach your marking scheme, and get every paper graded in minutes, with you in control of every result.
- 93% agreement with manual grading
- 10 sec average time per paper
- 97% less time spent marking
- 2,000+ teachers using Proctor AI
What grading statistics involves
Statistics answers combine numerical working, formula application, graphs, and interpretation. Proctor AI reads the working, checks the method, and awards partial credit.
What the Statistics grader can grade
| Answer type | How Proctor AI grades it |
|---|---|
| Calculations | Reads working and awards partial credit |
| Probability | Checks method and final value |
| Graphs | Verifies plotting and axes |
| Regression | Checks the steps and result |
| Interpretation | Scores the conclusion against the rubric |
- Mean, median, mode, and dispersion calculations
- Probability problems
- Graphs and their interpretation
- Correlation and regression working
- Interpretation and conclusion answers
How it works
- Upload the class: Drop in one PDF of the answer sheets. The agent splits individual papers automatically.
- Set the rubric: Type a prompt describing how to grade, or attach your existing marking scheme.
- Let it grade: Each answer is read and scored against the rubric in seconds per paper.
- Review and approve: Check the marks and feedback, adjust anything, and approve. Nothing is final until you say so.
Frequently asked questions
Can AI grade statistics answers?
Yes. Proctor AI reads handwritten statistics answers, statistics mixes calculation, interpretation, and graphs, so grading follows the working and the conclusion. It grades each against your rubric and you approve every mark.
Does it grade statistics working and graphs?
Yes. It reads numerical working step by step, awards partial credit for a correct method, and checks graphs and interpretation.
How accurate is statistics grading?
Proctor AI reaches around 93% agreement with manual marking, and because you review and adjust every mark, the final result is always teacher-approved.
Is the Statistics grader free to try?
Yes. There is a free plan so you can grade a real set of papers before deciding.