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Contents In this lecture we introduce the unifying topic of the first five lectures, namely, Modeling Discrete Data with an elementary function. In particular, we discuss curve fitting by the Method of Least Squares. The material of lectures 1-5 serves as the major underpinning for our study of calculus. Quick Question Here is the graph of a polynomial of degree 3. Shouldn't it cross the x-axis 3 times? Answer Textbook Modeling Discrete Data Today's Homework Log into WebWorK Quiz Modeling Discrete Data Quiz Examples Use the Method of Least Squares to determine which line best fits a given set of points Use the Method of Least Squares to determine which line best fits a given set of points If given points lie on a curve of the form y = ax2 + c, find the values of a and c Applets Falling Object Least Squares Fitting Calculator: Values of Elementary Functions Videos Find the sum of squared errors with 4 points and a line Find the parabola passing through (1, 1) (5, 1) and (3, 3).

Index | Lecture 2