Author Question: A measure of the dispersion of a distribution, calculated as the ratio of particle size below which ... (Read 85 times)

jwb375 · **on:** Jul 16, 2018

A measure of the dispersion of a distribution, calculated as the ratio of particle size below which 84 of the particles occur to the particle size below which 50 occur, in a log-normal distribution is termed

a. count mode.
b. count median diameter (CMD).
c. mass median diameter (MMD).
d. geometric standard deviation (GSD).

Question 2

________________ is the particle size above and below which 50 of the mass of the particles are found.

a. Count mode
b. Count median diameter (CMD)
c. Mass median diameter (MMD)
d. Geometric standard deviation (GSD)