Question 1: Covariance and Correlation (18 points) Use the data below to answer the following questions. X Y 2.?3 4.52 -1.42 4.68 -0.59 5.45 0.32 8.26 3.63 3.33 -2.23 2.83 (e) Create a new variable named sqx which is the square of X. Find the correlation between sqx and Y. Explain why the correlation between sax and Y is much stronger than that between X and Y. Hints: you may explore the refationship between the two pairs of variables with scatter plots.