The range rule tells us that the standard deviation of a sample is approximately equal to one fourth of the range of the data. In other words s = (Maximum â Minimum)/4. This is a very straightforward formula to use, and should only be used as a very rough estimate of the standard deviation.
Often abbreviated as âDMEâ, durable medical equipment includes various types of walking aids, transfer equipment, bath safety and wheelchairs. As the name implies, this category must be manufactured and tested to be âdurableâ because patients who use this equipment rely on it to keep them safe and comfort.
Home medical equipment. From Wikipedia, the free encyclopedia. This article discusses the definitions and types of home medical equipment (HME), also known as durable medical equipment (DME), and durable medical equipment prosthetics and orthotics (DMEPOS). 1 HME / DMEPOS.