Random sample record of electricity, usage of homes given the amount of electricity used in July and the size( in square feet) of 135 homes. A regression to predict the amount of electricity used in kilowatt hours from size was completed. What are the variables X and Y and units and units of each each in the scenario ? a) number of Home is Y and the amount of electricity used in kilowatt hours is X b) size in a square feet is Y and amount of electricity used in kilowatt hours is X c) size in a square feet is Y and number of homes is X d) amount of electricity used in kilowatt hours is why and the number of Home is x. e) amount of electricity used in kilowat hours is Y and size in square feet is X