Question
निम्नलिखित आँकड़े के लिए माध्य, माध्यिका और बहुलक की गणना कीजिए।
| वर्ग अन्तराल | 15–19 | 20–24 | 25–29 | 30–34 | 35–39 | 40–45 | 45–49 |
|---|---|---|---|---|---|---|---|
| आवृत्ति / बारम्बारता | 5 | 8 | 10 | 15 | 10 | 6 | 6 |
Answer :
Word Count : 221
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Skip in 10
कुल आवृत्ति (N) = 5 + 8 + 10 + 15 + 10 + 6 + 6 = 60 माध्य (Mean) मध्य मान (xi): 17, 22, 27, 32, 37, 42.5, 47 Σfx = (17×5) + (22×8) + (27×10) + (32×15) + (37×10) + (42.5×6) + (47×6) = 85 + 176 + 270 + 480 + 370 + 255 + 282
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