Where Y is the hope price (in $100,000), X1 is the number of bedrooms, and X2 is a variable that takes one for safe neighborhood and 0 for unsafe neighborhood. a. Explain the coefficients a, , and 8? b. Find the adjusted R-square? Y = a + 3X1 + 8X2 + U= 1.2 + 0.3X1 + 0.4X2 + U R = 0.80 N=100