The document contains two sets of statistical data and asks questions to calculate the mean, median, mode and range. For the first data set {30, 40, 30, 50, 20}, it asks to calculate these values. For the second data set {12, 10, 5, 10, 15, 18}, it asks similar calculation questions and asks to identify the median, mode and range from options. It also asks to identify the expression that gives the mean pay if three employees are paid $14, $15 and x per hour.