Statistics and Data Analysis

univariate - involving only one variable bivariate - involving two variables maximum - highest value in a univariate data set minimum - lowest value in a univariate data set median - middle value of a univariate data set (or the average of the two middle values) lower quartile (aka Q1) - median of the lower half of a univariate data set (or the average of the two middle values) upper quartile (aka Q3) - median of the upper half of a univariate data set (or the average of the two middle values) range - difference between maximum and minimum interquartile range (aka IQR) - difference between Q3 and Q1 five-number summary - the minimum, lower quartile, median, upper quartile and maximum values of a univariate data set box plot - visual representation of distribution of data from a univariate data set mode - the value(s) occurring most frequently in a univariate data set bimodal - having two modes mean - average (sum of values divided by number of values) mean absolute deviation (aka MAD) - mean of the differences between each value in a data set and the mean of the data set box plot