plz solve this i need solution
 

total average result RANK
544 54.4 fail FAIL
593 59.3 pass 10
637 63.7 pass 6
611 61.1 fail FAIL
627 62.7 fail FAIL
632 63.2 pass 7
686 68.6 pass 2
653 65.3 pass 4
653 65.3 pass 4
713 71.3 pass 1
654 65.4 pass 3
what i need is i would like to give rank to only pass student not to
fail student ...n rank in sequence too...means see the problem it
give's value 1,2,3,4,4,5,6,7,and 10 . but actully i need 8 in place of
10.plz solve .....