Accuracy and precision are defined in terms of systematic and random errors. The more common definition associates accuracy with systematic errors and precision with random errors. Another definition, advanced by ISO, associates trueness with systematic errors and precision with random errors and defines accuracy as the combination of trueness and precision.
Accuracy refers to being correct, precise, and free from errors or mistakes. When information or data is accurate, it reflects the true or exact representation of a subject or situation. Accuracy is important in various contexts, including factual information, measurements, calculations, and pictures of events or occurrences.
In general, accuracy involves:
- Correctness: Ensuring that information or data is factually true and reflects the reality of the subject matter.
- Precision: Providing details and specifics that are exact and free from ambiguity or vagueness.
- Reliability: Ensuring the information is sourced from credible and trustworthy sources supported by evidence or verifiable data.
- Consistency: Maintaining coherence and agreement between different information or data, avoiding contradictions or conflicting details.
- Attention to detail: Pay close attention to small nuances and specifics to ensure information is presented accurately.
Accurate information is important for making informed decisions, conducting research, providing reliable references, and promoting clear communication. In addition, it helps to establish trust, avoid misunderstandings, and maintain credibility in various fields and disciplines, such as journalism, scientific research, academic writing, and professional settings.
It’s worth noting that while efforts are made to provide accurate information, it’s always recommended to verify information from multiple reliable sources and consider the most up-to-date and relevant information available.