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Category - Six Sigma Green Belt

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PEAK Inc. is a large medical facility offering advanced radiological services. Executives are interested in computing the median age of men seeking full diagnostic imaging. As a measure of central tendency, where is the median point located?
  1. located at the midway point of outlier points
  2. located at the midway point of the upper 50% and lower 50% of data
  3. located at the midway point of the most frequent data
  4. located at the sum of differences between the mean and individual data points
Explanation
Answer: B - As a measure of central tendency, a median point is located at the midway point of the upper 50% and lower 50% of data.
Key Takeaway: Median is a measure of central tendency that allows a business researcher to compute the midway point of the upper and lower 50% of data. For example, if the median age of men seeking full diagnostic imagining is 48 years, then 50% of men seeking the service are younger than this age while 50% are older.
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