COEFFICIENT OF VARIATION
             
    Coefficient of Variation, %  
Round Robin Number of Rotational DSR DSR DSR Mass BBR BBR DTT
No. Participants Viscosity Original RTFO PAV Loss S-value m-value Strain
2001-1 69 3.743 6.403 6.225 25.756 21.276 8.435 4.663 31.052
2001-2 61 41.297 8.092 8.752 12.701 58.094 6.463 2.974 27.502
2001-3 60 5.998 8.203 9.543 17.682 23.280 6.642 2.135 0.41
2001-4 61 5.200 6.246 10.962 17.798 18.052 5.232 1.979 15.260