In this question, you will calculate OLS regression information "by hand". You may not use a calculator or your laptop, but may refer to your notes. Credit will only be given if you show your work. Consider the following X and Y data: X = (1,2,3,4,5)' Y = (0,1,3,5,7)' Question 6 continued... ii. What is an unbiased estimate of var(B) if we assume the Gauss Markov assumptions hold (this should be a 2x2 matrix)? What is the t-statistic from a test that B₁ = 1?