Question

Find the equation for the least squares regression line of the data described below.
Bruce keeps detailed information about his model airplane collection. The data includes not only the characteristics of each model, but also the time it took to assemble it. He is thinking of buying a new model airplane and decided to look at this information to understand how long assembly might take.
From his data, Bruce found the number of pieces in each model, x, and how many minutes each took to assemble, y.
Pieces - Assembly time
45 - 30
46 - 33
67 - 37
70 - 39
90 - 52