Notation and Abbreviations

• n denotes the size of a sample.
• Q₁ denotes the sample first quartile.
• Q₂ denotes the sample median (or the second quartile).
• Q₃ denotes the sample third quartile.
• IQR denotes the sample interquartile range.
• $\bar{x}$ denotes the sample mean.
• s denotes the sample standard deviation.
• s² denotes the sample variance.
• $\mu$ denotes the population mean.
• $\sigma$ denotes the population standard deviation.
• $\sigma^2$ denotes the population variance.
• q₁ denotes the first population quartile.
• q₃ denotes the third population quartile.
• iqr denotes the population interquartile range.
• $\theta$ denotes the population median.
• A^c denotes the complement of the set A.
• H₀ denotes the null hypothesis.
• H_A denotes the alternative hypothesis.
• $\Delta$ denotes the true difference in shift (effect). Estimate denoted by $\hat{\Delta}$.
• p denotes the population proportion. Estimate denoted by $\hat{p}$.
• $N(\mu,\sigma^2)$ denotes the normal distribution with mean $\mu$ and variance $\sigma^2$.
• bin(n,p) denotes a binomial distribution with parameters n and p.
• T denotes the Wilcoxon test statistic.
  
• CC abbreviates "Class Code".
• LIF abbreviates "Lower Inner Fence".
• UIF abbreviates "Upper Inner Fence".
• HL abbreviates "Hodges-Lehmann".
• LS abbreviates "Least Squares".
• CI abbreviates "Confidence Interval".
• SRW abbreviates "Signed-Rank Wilcoxon".
• CRD abbreviates "Completely Randomized Design".