Draw the fitted line. Suppose you fit 10 pairs of Ixv) data using least squares Draw the fitted line if 5.9.4 and the residual for the pair (4) is 1. 12.86 Significance tests and confidence intervals. The significance test for the slope in a simple linear regression gave a value t208 with 18 degrees of freedom. Would the confidence Interval for the slope include the value zero? Give a reason for your answer 12.12 Mediocrity triumphant in the early 1990s, a man named Horace Secrist wrote a book titled The Triumph of Mediocrity Business Secrist found that businesses that did usually well or unusually poorly in one year tended to be nearer the average in profitability at a later Unicum Untitled documeid MacBook Air 12.2 Draw the fitted line. Suppose you fit 10 pairs of (x,y) data using least squares. Draw the fitted line if x = 5, 4, and the residual for the pair (3, 4) is 1.