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10 cards from this deck
Fitting mathematical functions to sets of data points
Straight line representing overall pattern of data
Predicting values within the range of available data
Predicting values beyond the range of available data
y^=a+bx\hat{y} = a + bxy^=a+bx
Predicted value of yyy
a=yˉ−bxˉa = \bar{y} - b\bar{x}a=yˉ−bxˉ
Strength and direction of linear relationship
r∈[−1,1]r \in [-1, 1]r∈[−1,1] (between -1 and 1)
Perfect positive correlation
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