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Slope of the Regression Line

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Compute the slope of the regression line for the data below.
X values -3 0 3 5 10
Y values 7 4 -2 2 -3

A) -4.13 B) -0.72 C) -1.70 D) 1.20

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Answer and Detailed calculations are provided.

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Mean of the x series = (-3 + 0 + 3 + 5 + 10)/5 = 3

The deviations of x from the mean value are -6, -3, 0, 2, 7 respectively.

Squares of the deviations are 36, 9, 0, 4, 49 respectively.

Sum of the squares of the ...

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