'बहुलक' (mode) ज्ञात करने का सूत्र (grouped data) है:
उत्तर: (A) बहुलक वर्ग, बहुलक वर्ग एवं समीपवर्ती वर्गों की बारंबारताएँ — Mode = l + [(f₁-f₀)/(2f₁-f₀-f₂)] × h. l = lower limit of modal class, f₁ = modal class frequency, f₀ = preceding, f₂ = succeeding class frequency, h = class width. Modal class has highest frequency.
संबंधित REET प्रश्न
Steps for frequency polygon: (d) Class intervals (c) Histogram (a) Mid-points (b) Join mid-points
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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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रेखा y = 2x + 3 की प्रवणता (slope) है:
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sin 30° + cos 60° = ?
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'दंड' (punishment) और 'नकारात्मक पुनर्बलन' (negative reinforcement) में अंतर है:
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