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  1. Oxford Dictionary

    least squares

    • n.
      a method of estimating a quantity or fitting a graph to data so as to minimize the sum of the squares of the differences between the observed values and the estimated values.

    • noun: least squares

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    least squares

    • IPA[lēst skwerz]
    • n.
      a method of estimating a quantity or fitting a graph to data so as to minimize the sum of the ...

    Oxford American Dictionary