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Consider a data consisting of 10 observations x1,x2, ,x10, whose mean is 5 and variance is 7. If the mean and the variance of the first 8 observations x1,x2, ,x8 are 4 and 3.5, respectively, and x9<x10, then the value of 3x9+2x10 is .
JEE Advanced 2026 Paper 2