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Find the values of n and `bar X` in each of the following cases: (i) `sum_(i=1)^n (x_1-12)=-10` and `sum_(i=1)^n (x_1-3)=62` (ii) `sum_(i=1)^n (x_1-10)=30` and `sum_(i=1)^n (x_1-6)=150`

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RD SHARMA ENGLISH-MEASURES OF CENTRAL TENDENCY-All Questions
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