The executives at HyGreat a soda and energy drink company conducted a quarterly review of the company s production facilities For the review the number of work stoppages due to mechanical failure were counted at each of the company s bottling plants The histogram below summarizes the data Use the histogram to answer each of the questions Frequency Number of bottling plants 10 9 8 7 6 5 4 3 2 4 to 10 11 to 17 18 to 24 Number of work stoppages a What is the class width 25 to 31 b One class is the least frequent How many bottling plants are in this class 1 5 c How many bottling plants had 18 or more work stoppages