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PCAT Review Questions - Pharmacy College

Category - Statistics

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A variable that affects the data collected but is not accounted for or demonstrated in the statistical measure of the data is a:
  1. Stealth variable
  2. Lurking variable
  3. Independent variable
  4. Dependent variable
Explanation
Answer: B - A lurking variable is information directly related to the independent and dependent variables in statistical analysis, that has an effect on the data being analyzed, but is not accounted for in the analysis. Lurking variables that are not accounted for in data analysis can cause the resulting predictions to be inaccurate or incomplete. Lurking variables can also be called confounding variables.
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