For each data set in exercises 2.80–2.91, use the specified

     For each data set in Exercises 2.80–2.91, use the specified   grouping method to   a. determine   a frequency distribution.    b.   obtain a relative-frequency distribution.   c. construct   a frequency histogram based on your result from part (a).   d. construct   a relative-frequency histogram based on your result from part (b).   Fuel Tank   Capacity. Consumer Reports provides information on new automobile models,   including price, mileage ratings, engine size, body size, and indicators of   features. A simple random sample of 35 new models yielded the following data   on fuel tank capacity, in gallons. Use cutpoint grouping with 12 as the first   cutpoint and classes of equal width 2.   12.5    13.2    14.4    14.5    14.5    15.3    15.7    15.9    16.4    16.9    16.9    17    17.2    17.5    17.5    18    18.1    18.5    18.5    19.3    19.8    20    20    20    20    21    21.1    22.2    23    23.1    24    25    25.5    26    26.4