linear regression

A set of observations of independent variable ($x$) and the corresponding dependent variable ($y$) is given below. | $x$ | 5 | 2 | 4 | 3 | |---|---|---|---|---| | $y$ | 16 | 10 | 1...

A set of observations of independent variable (x) and the corresponding dependent variable (y) is given below. x 5 2 4 3 y 16 10 13 12 Based on the data, the coefficient a of the l...

Three values of $$x$$ and $$y$$ are to be fitted in a straight line in the form $$y=a+bx$$ by the method of least squares. Given $$\,\,\,\sum x = 6,\,\,\sum y = 21,\,\,\sum {{x^2}...