Examples: monthly service charge, minimum balance to avoid fee, purchase amount friendliness rating, customer satisfaction. + are quartiles, line across is median, 0 is an outlier (falls between the fence), * extremes are beyond the outer fence. Discrete: numerical responses that arise from the counting process examples: the number of bedrooms in a house, the number of customers. Continuous: numerical responses that arise froma measuring process. Iqr mean = median, symmetric, or zero skewness mean < median, negative or left-skewed mean > median, positive or right skewed. Approximately 68% of the values are within m s. Approximately 95% of the values are within m s. Approximately 99. 7% of the values are within m s.