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 Kilowatt-hours Kotours thousands) Number of Malas of Rooms 12 (thousands) 2 10 14 . 10 10 10 5 2 click here for the Excel Data Fe a. Determine the regression equation (Round your answers to 3 decimal places) b. Determine the number of kilowatt hours, in thousands, for a sixxoom house (Round your answer to 3 decimal places) Mb