Below is data for the particulate matter emissions for high-…
Below is data for the particulate matter emissions for high-altitude vehicles. Interval (g/gal) Frequency 1 to < 3 3 to < 5 5 to < 7 7 to < 9 7 9 to < 11 3 11 to < 15 5 15 to < 25 4 The proportion of vehicles in the sample with emissions between 3 and 7 grams is (on decimal form, i.e. between 0 and 1).