(Answered) 1if the regression line y 3 2x has been fitted to the

Management Studies

1.If the regression line y ^ = 3 + 2x has been fitted to the data points (4, 8), (2, 5), and (1, 6), the residual sum of squares will be:

2. Suppose we estimate a regression of the gallons of paint sold on the price of each gallon and find the following estimated regression line:

y = 268.7 - 18.217x.

Predict how many gallons would be sold if the price is $7 per gallon?

3.Given the regression equation:

y=100 + 21X, an increase in X of 5 units will yield an expected increase in y of units.

Please give the process

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