(15 points) Show that the best least squares fit to a set of measurements Y,..., ym...
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(15 points) Show that the best least squares fit to a set of measurements Y₁,..., ym by a horizontal line y = (where is a constant) is their 7 average: Y₁ +. ... + Ym Ύ In statistical terms, the value y that minimizes the error E² = (y₁ - y)² + ... + (ym resulting error E2 is the variance. m - - y)2 is the mean of the sample, and the (15 points) Show that the best least squares fit to a set of measurements Y₁,..., ym by a horizontal line y = (where is a constant) is their 7 average: Y₁ +. ... + Ym Ύ In statistical terms, the value y that minimizes the error E² = (y₁ - y)² + ... + (ym resulting error E2 is the variance. m - - y)2 is the mean of the sample, and the
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