Bradford Electric llluminating 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. a. Determine the standard error of estimate. (Round your answer to 3 decimal places.) b. Determine the coefficient of determination. (Round your answer to 2 decimal places.) b. Determine the coefficient of determination. (Round your answer to 2 decimal places.) c. Interpret the coefficient of determination. (Round your answer to the nearest whole number.)