Six Sigma Black Belt Certified Practice Exam

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What term describes a method that alters data without significantly affecting accuracy or precision?

Bias adjustment
Statistical efficiency
Blocking
Coding

The correct answer is: Coding

The term that describes a method that alters data without significantly affecting accuracy or precision is coding. Coding involves transforming qualitative data into a quantitative format or organizing raw data for clarity and analysis. This process allows for easier manipulation and integration of data in statistical analyses while maintaining its inherent characteristics and integrity. Coding techniques are crucial in maintaining the essence of the data while making it accessible for further processing. It helps in ensuring that the data remains reliable and retains its ability to produce valid conclusions, which is essential in quality improvement and decision-making processes. This method is particularly useful in fields such as market research, survey analysis, and other areas where complex data needs to be interpreted and utilized effectively.