In a bid to understand the consumption habits of different households, a power company randomly collects data from 101 customers. The two data points collected are : the household's electricity bill per year(in dollars) and home size (in square feet). See below a summary of the Output from a regression analysis :

Predictor	Coefficient	Coefficient Standard Error
Constant	15	3
Home size	0.55	0.24

i) What is the Regression equation ? ii)Is there a significant linear relationship between annual bill and home size? Use a 5% level of significance.