Award: 10.00 points Bradford Electric Illuminating Company is studying the relationship between kilowatt-hours (thousands) used and the number of rooms in a private single-family residence. A random sample of 10 homes yielded the following. Number of Rooms Kilowatt-Hours Number of Rooms Kilowatt-Hours (thousands) (thousands) 12 9 8 6 10 14 10 10 10 6 5 10 00 0 VO Click here for the Excel Data File a. Determine the regression equation. (Round your answers to 3 decimal places.) y = + b. Determine the number of kilowatt-hours, in thousands, for a six-room house. (Round your answer to 3 decimal places.) Number of kilowatt-hours References Worksheet Difficulty: 2 Medium Learning Objective: 13-03 Apply regression analysis to estimate the linear relationship between two variables