Chapter 8 Ensuring Repeatability, Accuracy, and Resolution
Introduction
8-2 Getting Started Guide
8
Introduction
This chapter discusses the importance of repeatability, accuracy, and
resolution. These terms are not interchangeable but are sometimes
confused. Therefore, you should understand their meanings. To help
visualize these terms, think of a sharpshooter firing at a target
(Figure 8-1).
Figure 8-1. Example of repeatability, accuracy, and resolution
Repeatability is the range among a group of measurements at a target
position. In the sharpshooter example, the compactness of the shot
pattern is a measure of repeatability (for that person, using that weapon,
in that environment, at that time).
1
Repeatability
2 Accuracy
3 Resolution
3
2
1
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