Question

The following are the energy usage of past year for a school building tracked by degree days. a) Predict Feb 01 data for energy use if the HDD is 600 (use regression analysis and show the linear equation) b) Find the energy usage for non-heating (0 HDD) or weather independent load.

Month HDD kWh

2/1 500 80,400

3/1 659 80,013

4/1 406 72,000

5/1 229 43,000

6/1 105 29,055

7/1 18 13,000

8/1 28 18,744

9/1 40 13,520

10/1 155 25,886

11/1 369 52,000

12/1 488 64,000

1/2 577 84,000

Answer 1

X	500	659	406	229	105	18	28	40	155	369	488	577
Y	80400	80013	72000	43000	29055	13000	18744	13520	25886	52000	64000	84000