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.
A core needle biopsy is a percutaneous (through the skin) procedure that involves removing small samples of breast tissue using a hollow core needle.irst, the breast area is anesthesized with an injection of lidocaine. Then, the needle is placed into the breast with the patient position in either the upright or prone (face down) position. As with FNA, the radiologist or surgeon will guide the needle into the area of concern by palpating (feeling) the lump.