The following data was obtained from a sample of powder analyzed using optical microscope. Size range (μm) Number of particles in each size range (n) 3-7 5 7-11 10 11-15 25 15-19 35 19-23 20 23-27 12 27-31 6 ∑ = Based on the data given in the table above, calculate: A. Volume-surface mean diameter , B. Volume-number mean diameter, C. Surface-number mean diameter, D. Length-number mean diameter, E. Cumulative percent frequency undersize (number distribution) for each size range F. Cumulative percent frequency undersize (weight distribution) for each size range​