Using the data in Table 2.7, construct a frequency distribution with classes of width 0.5. Table 2.7

Using the data in Table 2.7, construct a frequency distribution with classes of width 0.5.

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Table 2.7 Particulate Emissions for 65 Vehicles 1.50 0.87 1.12 1.25 3.46 1.11 1.12 0.88 1.29 0.94 0.64 1.31 2.49 1.48 1.06 1.11 2.15 0.86 1.81 1.47 1.24 1.63 2.14 6.64 4.04 2.48 1.40 1.37 1.81 1.14 1.63 3.67 0.55 2.67 2.63 3.03 1.23 1.04 1.63 3.12 2.37 2.12 2.68 3.34 3.79 1.28 2.10 6.55 1.18 3.06 0.48 1.88 5.94 4.24 3.52 3.59 3.10 3.33 4.58 0.25 0.53 3.36 3.47 1.17 2.74