यदि mean = 50, mode = 44 हो, तो median ≈ ?
उत्तर: B — Empirical relationship: Mode ≈ 3 Median - 2 Mean. So 44 = 3 × Median - 100 → Median = 144/3 = 48. This approximate formula works for moderately skewed distributions.
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Kabbadi scores median: 17,2,7,27,15,5,14,8,10,24,48,10,8,7,18,28. Sorted median = (10+14)/2 = 12
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यदि x + y = 10 और xy = 21 हो, तो x² + y² = ?
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एरिक्सन के अनुसार, किशोरावस्था के दौरान मनोसामाजिक संकट है:
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