Question

formula of least square​

Answer 1

Answer:

Least Square Method Formula-

1.Suppose when we have to determine the equation of line of best fit for the given data, then we first use the following formula.

2.The equation of least square line is given by Y = a + bX.

Normal equation for 'a':

3.∑Y = na + b∑X.

4.Normal equation for 'b':

5.∑XY = a∑X + b∑X2

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