A chance variation in an observational process is_____________?
Correct answer: C. Random error
- A. Dispersion/ Variability
- B. Measurement error
- C. Random error
- D. Instrument error
Explanation
Chance fluctuations arising naturally in an observational or measurement process are called random error. Measurement or instrument error may have specific systematic causes, whereas random error refers to unpredictable variation.
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