Presentation of Data · Class 11 Economics · Chapter 4
📈 Presentation of Data
CBSE Class 11 Humanities & Commerce · Economics · Chapter 1
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📖Notes Deck
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Download PDF →Top question patterns · CBSE annual / SQP aggregate
| 85% | Pie diagram — calculate slice angles — angle=(value/total)x360 for each item in a table; confirm angles sum to 360; draw & label. | 6 MARKS |
| 75% | Parts of a statistical table — Title, head-note, stub (rows), caption (columns), body, foot-note, source — one line each. | 4 MARKS |
| 70% | Histogram vs bar diagram — Discrete vs continuous; gaps vs no gaps; height vs area. | 3 MARKS |
| 65% | Construct less-than & more-than ogive, locate median — Make both cumulative-frequency columns; plot vs upper/lower limits; median = x at intersection. | 6 MARKS |
| 55% | Four types of classification in tabulation — Qualitative, quantitative, temporal, spatial — define + one example each. | 4 MARKS |
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