Scott Bell Builders would like to predict the total number of labor hours spent framing a house (Y) based on the square footage of the house (X). The following data have been compiled on 7 houses recently built. Number of labor hours (Y) Square footage in 100s (X) 237 30 228 23 225 23 199 29 139 19 251 26 273 37 Calculate the slope. Round up to 4 decimal places and include the 0 before the decimal place AND, OR the MINUS sign when needed. E.g., -0.1234