David Desreumaux, VP of Human Resources of Maritime Boat Manufacturing

David Desreumaux, VP of Human Resources of Maritime Boat Manufacturing (MBM) , is reviewing the employee training programs of MBM factories.His staff reports several statistics for safety training hours.The mean is 25 hours, the standard deviation is 7 hours, the median is 40 hours, and mode is 30 hours.Based on this information David can conclude that

A) the distribution is symmetrically distributed
B) the distribution is negatively skewed
C) the distribution is positively skewed
D) the data must have outliers and skewness cannot be determined until more data values are obtained
E) an answer cannot be determined from the information given