The table below contains data about the cost of electricity during a recent month for a random sample of 30 one-bedroom apartments in a large city. Complete parts (a) through (c) below. 98 160 138 93 109 172 188 149 164 201 123 90 207 150 179 179 115 172 159 147 150 173 124 129 115 102 110 131 142 133 . . . . . a. Construct a frequency distribution and a percentage distribution that have class intervals with the upper class boundaries $99, $119, and so on. Construct a frequency distribution. Cost ($) Frequency 80 but less than 100 100 but less than 120 120 but less than 140 140 but less than 160 160 but less than 180 180 but less than 200 200 but less than 220