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10 cards from this deck
Straight line approximating linear relationship in scatterplot
Process of finding the line of best fit
Prediction within existing data range (more reliable)
Prediction outside existing data range (use cautiously)
Vertical distance from a data point to the line
Sum of all squared residuals
m=r×sysxm = r \times \frac{s_y}{s_x}m=r×sxsy
c=yˉ−mxˉc = \bar{y} - m\bar{x}c=yˉ−mxˉ
(xˉ,yˉ)(\bar{x}, \bar{y})(xˉ,yˉ) - the centre of the data
Strength, direction, and type
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