The geyser Old Faithful in Yellowstone National Park alternates periods of eruption, which typically last from 1.5 to 4 minutes, with periods of dormancy, which are considerably longer. The following table presents the durations, in minutes, of 30 dormancy periods that occurred during a recent year. 91 99 99 83 99 86 90 96 88 93 88 86 92 116 59 101 90 71 103 9?" 82 9] 89 89 61 96 66 105 90 90 If Send data In Excel l) Part 1 of 2 (a) Construct a frequency distribution using a class width of 5, and using $5 as the lower class limit for the first class. Dormancy Period Frequency