data ma2612.fuel;
 input F_CONS    E_RATIO;
 E_5=E_RATIO**5;
 label F_CONS='Fuel Consumption'
       E_RATIO='Equivalence Ratio'
       E_5='(Equivalence Ratio)^5';
cards;
  98.0      0.64     
 100.0      0.65    
 100.1      0.66    
 102.0      0.74     
 101.0      0.75    
 103.0      0.77    
 103.2      0.76    
 101.9      0.80   
 104.0      0.81   
 105.0      0.88   
 105.5      0.90   
 105.6      0.91   
 106.0      0.92   
 110.0      1.00  
 111.0      1.02  
 115.0      1.04  
 121.5      1.14  
 123.5      1.16  
 136.0      1.24
;
run;