british rail classes 253 , 254 and 255
considering the british rail classes 253 , 254 and 255 , the average number of cars per set was around 9.5 .
{'scope': 'all', 'col': '5', 'type': 'average', 'result': '9.5', 'subset': None}
{'func': 'round_eq', 'args': [{'func': 'avg', 'args': ['all_rows', 'cars per set'], 'result': '9.5', 'ind': 0, 'tostr': 'avg { all_rows ; cars per set }'}, '9.5'], 'result': True, 'ind': 1, 'tostr': 'round_eq { avg { all_rows ; cars per set } ; 9.5 } = true', 'tointer': 'the average of the cars per set record of all rows is 9.5 .'}
round_eq { avg { all_rows ; cars per set } ; 9.5 } = true
the average of the cars per set record of all rows is 9.5 .
{'eq_1': 'eq', 'result_2': 'true', 'avg_0': 'avg', 'all_rows_3': 'all_rows', 'cars per set_4': 'cars per set', '9.5_5': '9.5'}
['class', 'operator', 'number', 'year built', 'cars per set', 'unit numbers']
[['class 253', 'br western region', '27', '1975 - 1977', '9', '253001 - 253027'], ['class 253', 'br western region', '13', '1978 - 1979', '9', '253028 - 253040'], ['class 253', 'br cross country', '18', '1981 - 1982', '9', '253041 - 253058'], ['class 254', 'br eastern region br scottish region', '32', '1977 - 1979', '10', '254001 - 254032'], ['class 254', 'br eastern region br scottish region', '4', '1982', '10', '254033 - 254037']]