PLS 210-A01

[Test review]
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Correlation regression analysis

Super Bowl Predictor (spurious correlation)

Math world / statistics world / researcher world

Descartes: analytic geometry

ordered pairs= ( x coordinate, y coordinate )

linear related on XY axis graph (see handwritten notes)

linear equation

quadratic equations

X always independent variable, Y always dependent

Y intercept definition 1: the value of Y where the line crosses the Y axis
Y intercept definition 2: the value of Y where X=0
Slope definition: the slope is the change in Y, per (one) unit change in X

Δy/Δx=b

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