8.55 Wang Manufacturing uses regression analysis to predict manufacturing overhead costs based on direct labor hours and/or machine hours and has developed the three following regression equations: Regression 1 Regression 2 Regression 3 SE 33, 844 45,383 31,044 R-squared 0.35 0.58 t-values: Direct labor hours 2.3 1.9 Machine hours 1.1 Required: 1. Which regression would you choose and why? 0.8