The point (x, y) is the center of mass for the collection of points in Exercise 7. Show that the least squares line must pass through the center of mass. [Hint: Use a change of variables z = x x to translate the problem so that the new independent variable has mean 0.]

Math 2300 Chapter 3 Solve the problem. If necessary, round your answer to one more decimal place than that used for the observations. 1) The students in Hugh Logan's math class took the Scholastic Aptitude Test. Their math scores are shown below. Find the mean score. 567 546 350 359 490 351 349 540 470 482 2) Let 1 =10, x2= 11, 3...