A student X scored 50, 55, 60, and 45 in four subjects. another student Y scored 53, 50, 47, 59, in the same subjects if the weights are 2, 4, 3, and 1 respectively for these subjects decide who is a better students (use two times formula for two groups)
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total score of X = 50×2 +55×4+ 60×3 + 45 = 545
total score of Y = 53×2 + 50×4 + 47×3 + 59 = 506
X is better
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