Coefficient of Variation = 20 .25 [memes Coefficient of Variation = 19 Lagnermal Distmbution zo Compound Distribution —— Legnormal Oistribution Compound Distribution Density Function 134 & 2 2% ec 3 oe 1 o4 2 F ¢ & ii 0 $84 i : 0 ope o 05 . 42 LEGEND 7 1 r en 2 25 7 3 15 35 Coefficient of Variation = 1.00 T 2 X Value tT z25 3 35 Coefficient of Variation = 1.50 14 LEGEND ——~ Lagnorma) Distribution [__ Lognorma! Distribution (__._ Compound Distribution Density Function Density Function ao Compound Distribution eof 6 r os t v . 1s 2 X Value Fig. 2. ————+ 26 3 35 — T 15 2 X Value T 25 Comparison of lognormal and compound uniform- lognormal probability density functions with expected value of unity and four values of the coefficient of variation. — 3 35