Question
निम्नलिखित आँकड़ों से माध्य, माध्यिका और बहुलक की गणना करें।
| Class Interval | Frequency |
|---|---|
| 3-4 | 3 |
| 4-5 | 7 |
| 5-6 | 22 |
| 6-7 | 60 |
| 7-8 | 85 |
| 8-9 | 32 |
| 9-10 | 8 |
Answer :
Word Count : 289
पहले हम प्रत्येक वर्ग अंतराल का मध्य बिंदु (class mark) निकालते हैं: 3-4: (3+4)/2 = 3.5 4-5: (4+5)/2 = 4.5 5-6: (5+6)/2 = 5.5 6-7: (6+7)/2 = 6.5 7-8: (7+8)/2 = 7.5 8-9: (8+9)/2 = 8.5 9-10: (9+10)/2 = 9.5 अब, माध्य (mean) के लिए, हम Σ(f × _______ _________ ______ ____ ______ _______ ______ ______ ________.
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पहले हम प्रत्येक वर्ग अंतराल का मध्य बिंदु (class mark) निकालते हैं: 3-4: (3+4)/2 = 3.5 4-5: (4+5)/2 = 4.5 5-6: (5+6)/2 = 5.5 6-7: (6+7)/2 = 6.5 7-8: (7+8)/2 = 7.5 8-9: (8+9)/2 = 8.5 9-10: (9+10)/2 = 9.5 अब, माध्य (mean) के लिए, हम Σ(f × _______ _________ ______ ____ ______ _______ ______ ______ ________.
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