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
2001-4 61 5.200 6.246 10.962 17.798 18.052 5.232 1.979 15.260
2002-1 77 4.022 8.324 9.078 13.233 19.011 13.581 2.769 32.023
2002-2 72 6.817 6.903 7.728 16.069 20.914 5.998 2.911 46.296
2002-3 72 9.569 6.231 8.603 17.145 19.817 5.701 2.202 28.383