QUESTION 1 [ 10] A random sample of 20 days showed the following number of cardiograms done each day at an outpatient testing center. 45 25 39 5 42 48 35 12 40 16 36 27 37 30 18 22 32 54 44 29 a) Construct a frequency distribution for these data using a lower limit for the first class of 5 and a class width of 10 Indicate the class limits, frequencies and cumulative frequencies. [6] b) Construct a stem and leaf for the data given above. [4] ​