Geysers: 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. 93 71 92 90 96 91 66 97 91 93 82 99 116 83 59 61 66 59 99 93 96 90 88 82 82 93 61 105 91 91 l: Send data to Excel > (a) Construct a frequency distribution using a class width of 7, and using 55 as the lower class limit for the first class. Dormancy Period Frequency 55 61 4 62 68 2 69 75 76 82 83 89 2 90 96 13 97 103 3 104 110 111 117(b) Construct a frequency histogram from the frequency distribution in part (a). Click the line on the horizontal axis above the numbers and drag the bar to the correct frequency. 16 15 14 13 11 Frequency OHNWAUTOVOWS 0 0 0 0 0 0 55 - 61 62 - 68 69 - 75 76 - 82 83 - 89 90 - 96 97 - 103 104 - 110 111 - 117