दिए गए आकड़ों ∑x = 50, ∑y = 40, ∑x2 = 625, ∑y2 = 576, ∑xy = 1780, n = 6 से ज्ञात कीजिए। 

  1. 7.12
  2. 4.67
  3. 6.94
  4. 7.32

Answer (Detailed Solution Below)

Option 2 : 4.67
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संकल्पना:

bxy = y पर x के समाश्रयण रेखा के ढलान की गणना निम्न रूप में की गयी है 

गणना:

माध्य  और 

byx = x पर y के समाश्रयण रेखा के ढलान की गणना निम्न रूप में की गयी है 

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