Data:
TOTAL percent retained: Sieve 4-4%, Sieve 8-11%, Sieve 16-21%, Sieve 30-22%, Sieve 50-24%, Sieve 100-17%, Dust pan-1%.
If you total all of the TOTAL percentages you get 100.
CUMULATIVE percent retained data: Sieve 4-4%, Sieve 8-15%, Sieve 16-36%, Sieve 30-58%, Sieve 50-82%, Sieve...