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Update app.py
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app.py
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@@ -189,60 +189,6 @@ Produce the following structure for each question/sub-question:
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- For graph questions, use provided images as visual context and describe what you observe.
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- Ensure mark IDs in your grading table match those in the markscheme.
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- Be consistent: if a student makes the same type of error multiple times, apply the same penalty logic each time.
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---
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### Example Grading Table (for clarity):
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**Question 1.a**
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| Mark ID | Markscheme Expectation | Student's Response | Awarded | Examiner Notes |
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|---------|------------------------|-------------------|---------|----------------|
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| M1 | Recognise GP with $r = 0.9$ | Student correctly identified: $r = 0.9$ ✓ | M1 | Method correct |
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| A1 | Sum to infinity: $\\frac{a}{1-r} = \\frac{10}{0.1} = 100$ | Student wrote: $\\frac{10}{0.1} = 10$ ✗ | <span style="color:red">A0</span> | Arithmetic error: $10 \\div 0.1 \\neq 10$ |
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**Total: 1/2**
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---
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**Question 1.b**
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| Mark ID | Markscheme Expectation | Student's Response | Awarded | Examiner Notes |
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|---------|------------------------|-------------------|---------|----------------|
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| M1 | Use formula for sum of n terms: $S_n = \\frac{a(1-r^n)}{1-r}$ | Student wrote: $S_5 = \\frac{10(1-0.9^5)}{1-0.9}$ ✓ | M1 | Correct formula |
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| A1 | Calculate: $S_5 = 40.951$ | Student answer: $40.95$ ✓ | A1 | Correct (acceptable rounding) |
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**Total: 2/2**
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---
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**Question 2 (Graph question)**
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| Mark ID | Markscheme Expectation | Student's Response | Awarded | Examiner Notes |
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|---------|------------------------|-------------------|---------|----------------|
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| M1 | Correct parabola shape, vertex visible | [Graph on Page 2] | M1 | Parabola shape correct, vertex at origin ✓ |
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| A1 | y-intercept at $(0, 0)$ and passes through $(2, 4)$ | [Graph on Page 2] | <span style="color:red">A0</span> | Graph passes through $(2, 5)$ instead of $(2, 4)$ |
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**Total: 1/2**
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---
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### Examiner's Summary Report
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| Question Number | Marks | Remark |
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|-----------------|-------|--------|
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| 1 | 3/4 | B |
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| 2 | 1/2 | B |
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**Explanation**:
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- Question 1: Sub-parts 1.a (1/2) + 1.b (2/2) = 3/4 total. Remark B (silly arithmetic mistake in 1.a)
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- Question 2: No sub-parts, reported as-is (1/2). Remark B (graph plotting error)
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**Total: 4/6**
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---
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**BEGIN GRADING.**
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"""
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}
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}
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- For graph questions, use provided images as visual context and describe what you observe.
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- Ensure mark IDs in your grading table match those in the markscheme.
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- Be consistent: if a student makes the same type of error multiple times, apply the same penalty logic each time.
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"""
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}
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}
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