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.
There are several basic types of hospital equipment are: Equipment or tools used to diagnose, test or screen for health conditions are known as diagnostic equipment. Thermometer, Sphygmomanometer, Stethoscope, X-Ray machines, MRI machines comes in this category.