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 90 92 66 89 98 89 97 99 90 88 83 90 116 101 66 86 83 97 82 82 Part 0 2 71 Send data to Excel Part 1 of 2 91 00 99 82 96 91 61 97 92 59 a Construct a frequency distribution using a class width of 5 and using 55 as the lower class limit for the first class Dormancy Period Frequency