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Originally Posted by tbonesteak
uhh how is accuracy relative?
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In the science of measuring things, "accuracy" refers to the difference between a measurement taken by a measuring tool and an actual value. For instance, a thermometer reading of 60 degrees Fahrenheit when the actual temperature is 62 degrees Fahrenheit is not totally accurate, though it is more accurate than a thermometer reading of 58 degrees Fahrenheit during that same time. The relative accuracy of a measurement can be expressed as a percentage; you might say that a thermometer is 98 percent accurate, or that it is accurate within 2 percent. So there you go.