Six Sigma Green Belt Certification Practice Exam

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Prepare for your Six Sigma Green Belt Certification Exam with confidence. This exam is a critical step in enhancing your career prospects in quality management and process improvement. Tackle interactive questions with hints and explanations and ace your certification!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

In which measurement scale is the central location determined by the mode of the data?

a. Nominal
b. Interval
c. Ordinal
d. Ratio

The correct answer is: a. Nominal

The central location determined by the mode of the data is applicable in the nominal measurement scale. In nominal scales, data is categorized without a specific order or ranking; they represent different categories. The mode is the most frequently occurring category in a dataset. In this context, nominal data often consists of qualitative variables, like color, gender, or brand names, where you can determine which category appears most often. While other measurement scales, such as ordinal, interval, and ratio, may also have central tendency measures (like median and mean), they can account for order and magnitude. However, the mode is particularly relevant and commonly used for nominal data since it simply identifies the most common category without implying any order or distance between categories. This characteristic fundamentally distinguishes nominal data from the others, where modes may not have as clear a significance or use.