(a) Describe the relationship between the CO 2 emissions and the four (4) independent variables by writing down the linear equation Interpret the coefficients to show how each of the independent variables impact CO 2 emissions (b) Mr Tan wants to estimate the CO 2 emissions in country S in 2020 He found GDP is 340 billion USD, population is 5 686 million, per capita energy use is 7,800 kg of oil equivalent, and electricity production from oil, gas and coal sources accounts for 95 What is your estimate of CO 2 emissions in country S (c) Execute appropriate hypothesis tests to advise Mr Tan which variable is significant at the 10 significance level You are required to write down your steps carefully (d) Discuss three (3) statistical concerns in the estimation of CO 2 emissions in country S in 2020 in part (b) CO2 emissions (mt) GDP (current US$, billion) Population, total million Energy use (kg of oil equivalent per capita) Electricity production from oil, gas and coal sources ( of total) Australia 375 97 1351 69 23 82 5483 82 86 36 Austria 63 15 381 82 8 64 3800 30 22 22 Belgium 95 20 462 15 11 27 4687 79 39 21 Canada 558 80 1556 51 35 70 7631 34 21 07 Chile 81 97 243 92 17 97 2005 55 56 40 Czech Republic 100 98 188 03 10 55 3860 00 55 92 Denmark 33 60 302 67 5 68 2816 61 31 90 Estonia 15 37 22 88 1 32 4173 33 7 15 Finland 42 82 234 44 5 48 5924 70 16 19 France 310 52 2438 21 66 55 3692 02 6 06 Germany 742 31 3356 24 81 69 3817 55 55 06 Greece 68 01 195 32 10 82 2182 07 71 13 Hungary 43 38 125 07 9 84 2432 75 36 56 Iceland 2 06 17 52 0 33 17478 89 0 02 Ireland 36 99 291 46 4 70 2819 88 62 81 Israel 66 14 300 12 8 38 2777 88 97 67 Italy 337 86 1835 90 60 73 2481 75 60 25 Japan 1181 50 4444 93 127 14 3428 56 80 26 Korea, Rep 606 51 1465 77 51 01 5413 35 67 72 Luxembourg 9 13 57 74 0 57 6548 41 62 66 Mexico 472 59 1171 87 121 86 1537 26 80 88 Netherlands 158 11 765 26 16 94 4233 04 82 23 New Zealand 32 19 178 06 4 61 4431 51 19 79 Norway 38 64 385 80 5 19 5817 64 1 93 Poland 289 05 477 81 37 99 2490 21 86 08 Portugal 49 85 199 31 10 36 2131 68 51 87 Slovak Republic 30 75 88 47 5 42 3003 66 19 98 Slovenia 13 17 43 09 2 06 3174 87 32 44 Spain 256 28 1195 12 46 44 2571 34 44 07 Sweden 39 20 505 10 9 80 5102 79 1 09 Switzerland 39 03 702 15 8 28 2960 07 1 07 Turkey 351 59 864 32 78 53 1651 36 67 85 United Kingdom 400 37 2932 78 65 12 2764 52 53 18 United States 4982 79 18238 30 320 74 6804 00 67 08

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(a) Describe the relationship between the CO 2 emissions and the four (4) independent variables by writing down the linear equation. Interpret the coefficients to

(a) Describe the relationship between the CO₂emissions and the four (4) independent variables by writing down the linear equation. Interpret the coefficients to show how each of the independent variables impact CO₂emissions.

(b) Mr. Tan wants to estimate the CO₂emissions in country S in 2020. He found GDP is 340 billion USD, population is 5.686 million, per capita energy use is 7,800 kg of oil equivalent, and electricity production from oil, gas and coal sources accounts for 95%. What is your estimate of CO₂emissions in country S?

(c) Execute appropriate hypothesis tests to advise Mr. Tan which variable is significant at the 10% significance level. You are required to write down your steps carefully.

(d) Discuss three (3)statistical concerns in the estimation of CO₂emissions in country S in 2020 in part (b).

	CO2 emissions (mt)	GDP (current US$, billion)	Population, total million	Energy use (kg of oil equivalent per capita)	Electricity production from oil, gas and coal sources (% of total)
Australia	375.97	1351.69	23.82	5483.82	86.36
Austria	63.15	381.82	8.64	3800.30	22.22
Belgium	95.20	462.15	11.27	4687.79	39.21
Canada	558.80	1556.51	35.70	7631.34	21.07
Chile	81.97	243.92	17.97	2005.55	56.40
Czech Republic	100.98	188.03	10.55	3860.00	55.92
Denmark	33.60	302.67	5.68	2816.61	31.90
Estonia	15.37	22.88	1.32	4173.33	7.15
Finland	42.82	234.44	5.48	5924.70	16.19
France	310.52	2438.21	66.55	3692.02	6.06
Germany	742.31	3356.24	81.69	3817.55	55.06
Greece	68.01	195.32	10.82	2182.07	71.13
Hungary	43.38	125.07	9.84	2432.75	36.56
Iceland	2.06	17.52	0.33	17478.89	0.02
Ireland	36.99	291.46	4.70	2819.88	62.81
Israel	66.14	300.12	8.38	2777.88	97.67
Italy	337.86	1835.90	60.73	2481.75	60.25
Japan	1181.50	4444.93	127.14	3428.56	80.26
Korea, Rep.	606.51	1465.77	51.01	5413.35	67.72
Luxembourg	9.13	57.74	0.57	6548.41	62.66
Mexico	472.59	1171.87	121.86	1537.26	80.88
Netherlands	158.11	765.26	16.94	4233.04	82.23
New Zealand	32.19	178.06	4.61	4431.51	19.79
Norway	38.64	385.80	5.19	5817.64	1.93
Poland	289.05	477.81	37.99	2490.21	86.08
Portugal	49.85	199.31	10.36	2131.68	51.87
Slovak Republic	30.75	88.47	5.42	3003.66	19.98
Slovenia	13.17	43.09	2.06	3174.87	32.44
Spain	256.28	1195.12	46.44	2571.34	44.07
Sweden	39.20	505.10	9.80	5102.79	1.09
Switzerland	39.03	702.15	8.28	2960.07	1.07
Turkey	351.59	864.32	78.53	1651.36	67.85
United Kingdom	400.37	2932.78	65.12	2764.52	53.18
United States	4982.79	18238.30	320.74	6804.00	67.08