A team for SFSU, LLC performed an analysis of predicting overhead costs for a data center utilizing labor and/or machine hours.
Regression 1 Regression 2 Regression 3
SE 33,844 45,383 31,044
R-Squared 0.55 0.35 0.58
T-values
Machine-Hours 2.3 1.9
Labor-Hours 1.1 0.8
Which regression would you chose and why?