Larry Erickson, a local attorney, is interested in understanding the relationship between the outside temperature and his energy usage.

Larry Erickson, a local attorney, is interested in understanding the relationship between the outside temperature and his energy usage. Larry finds his electric bills for the last 24 months and records the electric consumption in Kilowatt Hours. He then uses the internet to find the average monthly temperature in Fahrenheit for his city for those months. The data appear in the ³