(d) Which cases are outliers? How does the correlation change if outliers are removed? Country GDP CO2 1 1,504.8 1,927.3 2 357.8 1,174.6 3 796.4 1,976.7 4 1,319.1 1,910.7 5 2,365.8 7,335.2 6 3,029.8 4,470.2 7 879.6 3,027.2 8 1,781.7 3,582.3 9 4,534.5 8,999.9 10 3,133.6 4,897.8 11 2,277.1 6,287.6 12 874.8 701.5 13 48.4 147.5 14 1,479.2 1,926.8 15 1,613.5 703.2 16 581.1 1,735.2 17 4,924.4 16,007.8 18 411.6 244.3 19 18.7 28.2 20 3,021.9 3,716.5 21 3,268.5 11,147.9 22 950.2 1,786.5 23 10,389.3 5,323.8 24 212.3 466.8 25 4,724.5 13,955.7 26 3,468.9 8,482.1 27 53.4 88.6 28 529.8 910.4 29 11,094.1 9,691.6 30 2,321.7 4,771.9 31 4,007.9 9,564.8 32 2,976.6 7,565.7 33 3,639.3 4,521.8 34 4,116.8 8,435.6 35 133.2 234.1 36 81.5 55.8 37 4,827.1 5,740.2 38 2,350.3 4,152.3 39 2,953.1 4,220.4 40 1,370.6 2,890.1