The data in the following table are particulate emissions for 65 vehicles, in units of grams of particles per gallon of fuel. construct
a frequency distribution using a class width of 0.75, and using 0.00 as the lower limit for the first class.
1.49 0.86 1.12 1.25 3.45 1.12 1.12 0.87 1.29 0.95 0.64 1.31 2.48
1.50 1.07 1.13 2.15 0.87 1.81 1.46 1.25 1.63 2.15 6.65 4.04 2.49
1.39 1.35 1.81 1.13 1.64 3.67 0.56 2.65 2.64 3.04 1.23 1.05 1.62
3.11 2.38 2.11 2.69 1.16 3.33 3.79 1.29 2.11 6.55 1.19 3.06 0.48
0.24 0.53 3.36 3,47 2.73 1.87 5.94 4.23 3.51 3.57 3.10 3.32 4.57