1. Open the attribute table for the OLS Model (OLSModell xls) and with the data from the attribute data complete the table below for the first 4 rows. OBJECTID PovRate Estimated Residual Estimated + Residual 0.39 1 0.39 0.35295767186 0.03704232814 2 0.41 0.34080419252 0.06919580748 0.41 3 0.36 0.48187039265 -0.12187039265 0.36 4 0.30 0.34458117949 -0.04458117949 0.30 2) In a sentence answer the following questions: a What is the value represented by PovRate?