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Using Regression Functions

Demonstrate using regression functions by explaining what a regression function is and the factors which should be considered when interpreting results.

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For example, there are n students in a class, we want to analyze if there is a linear relationship between their weight Y and their height X. Now we can get the data of their weight and height, say (x1,y1),(x2,y2),...,(xn,yn). We can use the regression method to find the regression function, say Y=f(X)=a+bX, where a and b are two coefficients, which reflects the relationship ...

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Regression functions are discussed.