Construct a normal probability plot for the PM data in Table 1.2 (page 21). Do the PM data appear to come from a normal population?
In Table 1.2

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TABLE 1.2 Particulate matter (PM) emissions (in g/gal) for 62 vehicles driven at high altitude 7.59 6.28 6.07 5.23 5.54 3.46 2.44 3.0 13.63 13.02 23.38 9.24 3.22 2.06 4.04 1711 12.26 19.9 8.50 7.8 7.18 6.95 18.64 7.10 6.04 5.66 8.86 4.40 3.57 4.35 3.84 2.37 3.8 5.32 5.84 2.89 4.68 1.85 9.14 8.67 9.52 2.68 10.14 9.20 .3 2.9 6.32 6.5 6.32 2.0 5.91 5.60 5.6 150 6.46 5.29 5.64 2.07 11 3.32 .83 .56