Please specify your answers, and provide the screen shot on Excel how you got the answers.

Analyze a regression of Air Quality on three covariates CO2, NOx, and Sox

Data Set is as following

Air Quality	CO2	NOx	SOx
197	61	22	17
191	33	16	27
224	65	18	18
183	55	18	32
236	50	26	23
200	60	24	26
226	59	16	25
164	54	22	24
100	83	10	17
285	50	21	29
207	73	22	21
336	61	26	35
299	42	36	21
192	44	25	4
264	54	20	29
244	24	17	27
227	53	22	42
216	41	18	30
263	57	29	24
265	87	23	25

How to use CO2, NOx, and SOx to predict the Air Quality? Please provide the formula.

What is the correlations between Air Quality and each of the three factors? What do they mean?

What is the Coefficient of Determination (R Square) of the regression result? What does it mean?