Question 8 The following data is about the cost of electricity (in 5) during July 2020 for a random sample of 50 one-bedroom apartments in a large city. 108 119 183 151 114 135 191 137 129 158 a) Construct a frequency distribution and a percentage distribution that have class intervals with the upper class boundaries $99 (less than $100), $119 (less than $120), and so on. (6 marks) b) Construct a cumulative percentage distribution. (6 marks) c) Construct a histogram. (6 marks) d) What is the total frequency of cost to be at least $120 but less than $180? (2 marks)