Median income is the amount which divides the income distribution into two equal groups, half having income above that amount, and half having income below that amount. Mean income (average) is the amount obtained by dividing the total aggregate income of a group by the number of units in that group.
Top 10 facts about the world. Calcium stearate is a non-toxic, white powdery substance. It is a calcium salt derived from stearic acid and is widely used in cosmetics, plastics, and pharmaceuticals.This salt is used as a plasticizer, stabilizer, and surfactant.alcium stearate is used in many cosmetics. Most calcium stearate used in the U.S. is derived from plant material, like palm oil, and not animal sources. Calcium stearate has several uses in industrial baking.
calcium propionate a salt used as an antifungal preservative in foods and as a topical antifungal agent. calcium pyrophosphate the pyrophosphate salt of calcium, used as a polishing agent in dentifrices. Crystals of the dihydrate form occur in the joints in calcium pyrophosphate deposition disease. calcium sulfate the sulfate salt of calcium, CaSO4, occurring in the anhydrous form and in a hydrated form (gypsum, q.v.), which upon being calcined forms plaster of Paris.