A chance variation in an observational process is? Instrument error Measurement error Dispersion/ Variability Random error Right Answer: Random error Share : January 4, 2018 Asghar Khan Statistic Total 0 Votes: 0 0 Tell us how can we improve this Mcqs? Captcha: + = Verify Human or Spambot ? Related Mcqs Check Below -Regardless to difference in distribution of sample and population, mean of sampling distribution must be equal to?Mistakes or biases which are considered as causes of non-sampling errors must includes?Which one of the following measurement does not divide a set of observations into equal parts?