निम्नलिखित आँकड़ों के लिए माध्य व प्रसरण ज्ञात कीजिए:
View full solution →| $x_i$ | 92 | 93 | 97 | 98 | 102 | 104 | 109 |
| $f_i$ | 3 | 2 | 3 | 2 | 6 | 3 | 3 |
54 questions across 2 question groups — pick any mix to generate a गणित paper with step-by-step answer keys.
प्रश्नों के उत्तर लिखिए। (प्रत्येक प्रश्न 3 अंक का हे)
32 Q→02प्रश्नों के उत्तर लिखिए। (प्रत्येक प्रश्न 5 अंक का हे)
22 Q→One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
| $x_i$ | 92 | 93 | 97 | 98 | 102 | 104 | 109 |
| $f_i$ | 3 | 2 | 3 | 2 | 6 | 3 | 3 |
| $x_i$ | 6 | 10 | 14 | 18 | 24 | 28 | 30 |
| $f_i$ | 2 | 4 | 7 | 12 | 8 | 4 | 3 |
| विषय | गणित | भौतिक | रसायन |
| माध्य | 42 | 32 | 40.9 |
| मानक विचलन | 12 | 15 | 20 |
Pick question groups from the list above, set marks and difficulty, and export a branded PDF with step-by-step answer keys. First 3 chapters free — no signup.