Parts a) and b) refer to the following data, which are phone call durations measured in minutes: 2.1, 4.8, 5.5, 10.43.33.5, 4.8, 5.8, 5.3, 5.5, 2.8, 3.65.9, 6.6, 7.8, 10.5, 7.5, 6.0, 4.5, 4.8 a) (10 pts) Construct a relative frequency distribution, with the first class having a lower class limit of 2.1 and a class width of 1.6. b) (8 pts) Construct a frequency (not relative frequency) histogram.

CALCULATOR ALLOWED for the remaining questions 11) Parts a) and b) refer to the following data, which are phone call durations measured in minutes: 2.1, 4.8, 5.5, 10.4, 3.3, 3.5, 4.8, 5.8, 5.3, 5.5, 2.8, 3.6, 5.9, 6.6, 7.8, 10.5, 7.5, 6.0, 4.5, 4.8 a) (10 pts) Construct a relative frequency distribution, with the first class having a lower class limit of 2.1 and a class width of 1.6. b) (8 pts) Construct a frequency (not relative frequency) histogram