Calculate the coefficients of the least-squares line

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Reference no: EM132139075

Suppose you have a data file example.dat with two columns that contain bivariate data. Let's call these two variables X and Y.

Write a MATLAB script (accompanied by explanations) that will use the data from the file to do the following:

a. Make a plot so you can visually check if fitting a least-squares line is appropriate (comment on why you chose that kind of plot and what you ate looking for in it).

b. Calculate the coefficients of the least-squares line.

c. Add the least-squares line to the data plot. d. Calculate the coefficient of determination r² (comment on what values you would expect based on how your plot in part a can look like).

Reference no: EM132139075

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