What are the solution to the quadratic equation x2 - 36=0
2 answers:
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Regression line is given in the form of: y = a + bx
Where b is the gradient
Working out 'b'
Σxy - [ΣxΣy]/N
Σx² - [Σx]²/N
Working out 'a'
a = [∑y/N] - b[∑x/N]
a = [2650/460] - 0.264[3920/460]
a = 5.86 - 2.25
a = 3.61
Regression line equation is
y = 3.61 + 0.264x
Where b is the gradient
Working out 'b'
Working out 'a'
a = [∑y/N] - b[∑x/N]
a = [2650/460] - 0.264[3920/460]
a = 5.86 - 2.25
a = 3.61
Regression line equation is
y = 3.61 + 0.264x