By convention, specific symbols represent certain sample statistics. For example, 1  x refers to a sample mean. 2  s refers to the standard deviation of a sample. 3  s 2 refers to the variance of a sample. 4  p refers to the proportion of sample elements that have a particular attribute.
As the name implies, lubricant laxatives make stools slippery. The mineral oil within these products adds a slick layer to the intestine's walls and stops the stool from drying out. Though highly effective, lubricant laxatives are best used as a short-term cure for constipation. Over a longer period, mineral oil can absorb fat-soluble vitamins from the intestine, and decrease certain prescription drugs from being fully absorbed into the body.
Mineral Oil Uses. Mineral oil, also known as liquid petroleum, is a by-product of the crude oil that is obtained in the distillation of petroleum, to produce gasoline and other petroleum-based products.It transpires as a tasteless, odorless (when cold), transparent, colorless, and oily liquid that is insoluble in both water and alcohol.t is often used as heat transfer oil by electric space heaters. Mineral oil is also used as a fluid in hydraulic machinery and vehicle, as it is non-compressible. Light mineral oil is used as a lubricant in textile industries and even used as a jute batching oil.