Q1. [1] § Assertion and reasoning-based questions § Case study-based questions
While evaluating a model's performance, recall parameter considers ______.
(i) False positive
(ii) True positive
(iii) False negative
(iv) True negative
Choose the correct option:
- (a) only (i)
- (b) (ii) and (iii)
- (c) (iii) and (iv)
- (d) (i) and (iv)
Previously asked in CBSE board exam
2023 104 Q3 (v)
Generated by claude-sonnet-4-6 · 2026-06-21 03:18 · grounding rag
Model Answer
(b) (ii) and (iii)
Recall = TP / (TP + FN). It considers True Positives (ii) and False Negatives (iii), measuring how well the model identifies all actual positives.
---
Explanation
Recall focuses on minimising missed positives (False Negatives). The formula TP/(TP+FN) uses only True Positives and False Negatives — not False Positives or True Negatives. Students often confuse recall with precision (which uses TP and FP), so remember: Recall = catching all actual positives; Precision = correctness of positive predictions.
If a question refers to an image, map, graph or diagram that is not shown here, find the actual CBSE question paper on the CBSE website:
cbse.gov.in.