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A variable x takes the values X1, X2….XnGiven \(\Sigma\)(xi - 2) = 110 \(\Sigma\)(xi - 5) = 20, i = 1, 2 ……n, then n = ……………..(1) 30 (2) 80 (3) 85 (4) 90 |
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Answer» Correct option is (1) 30 |
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