複選題1. Which of the following statements related to data treatment is (are) correct?
(AB) The medium is the most common number in a data set.
(AC) The coefficient of variation and relative standard deviation have the same value.
(AD) The standard error ofthe mean is given by the standard deviation of the data set divided by the number of measurements.
(AE) The mean is known with more confidence than is a single result.
(BC) As the sample size increases, the confidence interval increases.
(BD) As the standard deviation increases, the confidence interval decreases.
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