At this point, we know that standard deviation is a measure of risk (or volatility) and that the number of standard deviations determines the reliability. So here's how it works in the investing world. Let's say you own a mutual fund that has a standard deviation of 21% and an average annual return of 8%.
Core Laboratory. The Core Laboratory is a full-service facility serving both adult and pediatric patients 24 hours a day. The test menu includes general chemistries, hematology, coagulation, blood gas analysis, therapeutic drug testing, endocrine testing, and comprehensive emergency toxicology and psychotropic drug testing services.
Core needle biopsy (or core biopsy) is performed by inserting a small hollow needle through the skin and into the organ or abnormality to be investigated. The needle is then advanced within the cell layers to remove a sample or core. Needle biopsy is also a type of percutaneous (through the skin) biopsy.The needle may be designed with a cutting tip to help remove the sample of tissue.he needle is then advanced within the cell layers to remove a sample or core. Needle biopsy is also a type of percutaneous (through the skin) biopsy. The needle may be designed with a cutting tip to help remove the sample of tissue.