The following frequency distribution reports the number of frequent flier miles, reported in thousands, for employees of Brumley Statistical Consulting Inc. during the most recent quarter: Frequent Flier Miles Number of ( thousands) Employees 0 to under 6 6 6 to under 12 16 12 to under 18 31 18 to under 24 17 24 to under 30 1 Total 71 a. How many employees were studied? b. What is the midpoint of the first class? (Round the final answer to 1 decimal place.) 3 thousand miles c. Not available in Connect. d. A frequency polygon is to be drawn. What are the coordinates of the plot for the first class? (Round the final x value to 1 decimal place and y value to whole number.) X = 3 , 6 e. Not available in Connect. f. Interpret the frequent flier miles accumulated. The frequent flier miles for most of the employees are between 6000-12000 and they are evenly spread on both sides