Table 3: Particles size distribution of coffee ground for different grinding levels.
Q3(x)% Fine Fine-coarse Coarse
10% x < 20.9 x < 28.16 x < 51.11
50% 20.9 < x < 226.93 28.16 < x < 337.69 51.11 < x <502.51
30% 226.93 < x < 372.97 337.69 < x <502.51 502.51 < x <677.05
10% x > 372.97 x > 502.51 x > 677.05