Precision in scientific investigations is important in order to ensure we are getting the correct results. Since we typically use models or samples to represent something much bigger, small errors may be magnified into large errors during the experiment. ... Precision is also important in order to ensure our safety.

Why is it important to be precise?

When taking scientific measurements, it is important to be both accurate and precise. Accuracy represents how close a measurement comes to its true value. This is important because bad equipment, poor data processing or human error can lead to inaccurate results that are not very close to the truth.

Why is precision more important than accuracy?

Both accuracy and precision are equally important in order to have the highest quality measurement attainable. For a set of measurements to be precise, there is no requirement that they are accurate at all. This happens because as long as a series of measurements are grouped together in value, then they are precise.