Regression.

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Presentation transcript:

Regression

Steps Type in points Turn on your stat plot View points on graph Stat – Edit – Enter L1 and L2 Turn on your stat plot 2nd - Y = View points on graph Zoom Stat (9) See what shape it is Pick the equation that matches the shape Stat – Calc Check out the r and r2

Scatterplots Positive Correlation Negative Correlation No Correlation

Scatter plots Strong Correlation Weak Correlation

Remember the shapes! Linear Quadratic Exponential Growth and Decay Cubic

A couple new ones to you… PwrReg SinReg

Homework Worksheet (10 questions) These are all linear and quadratic, but please know that you need to know the other types as well…we will practice more tomorrow.