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Fundamentals of Business Economics

10.5 Regression analysis is being used to find the line of best fit (y = a + bx) from
eleven pairs of data. The calculations have produced the following information:

2
2
∑x = 440, ∑y = 330, ∑x = 17,986, ∑y = 10,366 and ∑xy = 13,467.
What is the value of ‘b’ in the equation for the line of best fit (to two decimal
places?

Answer …………………

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