Question 5 Sue Taylor, Director of Global Industrial Sales, is concerned by a deteriorating sales trend. While the number of industrial customers is stable at 1.500, they are purchasing less each year. She orders her staff to search for causes of the downward trend by surveying all 1,500 industrial customers. For this study, the set of 1,500 industrial customers is A) a parameter B) a sample C) the population D) a statistic