Given the following data: 115 220 86 99 50 110 y 1.0 1.3 0.6 0.8 0.5 0.7 (a) Determine the least squares line. Interpret the coefficient estimates. [7 Marks] (b) Compute the variances and standard errors of B1 and B2. (5 Marks] (c) Calculate an estimate of o2, the error variance. [4 Marks] (d) Compute the value of coefficient of correlation r, coefficient of determination r, and covariance, cov(X,Y). Briefly explain. [5 Marks) (e) Describe what these statistics tell you about the relationship between the X and Y variables. [2 Marks] Are there any outliers? Briefly explain. [2 Marks]