Consider Prob. 1 of Sec. 12.2. (a) Draw a straight line through the data points. (b)Determine the estimated regression line, and compare it to the line drawn in part (a). Prob. 1 Find, by a hand...

Consider Prob. 1 of Sec. 12.2.

(a) Draw a straight line through the data points.

(b)Determine the estimated regression line, and compare it to the line drawn in part (a).

Prob. 1

Find, by a hand computation, the estimated regression line for the following data:

(a) Plot the scatter diagram, and draw the estimated regression line.

(b)Double all the data values and repeat part (a).