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The data below represent the time (in minutes) at which 23 adults spoke on the phone in the past week. 54 0 51 12 47 70 47 67 20 63 25 53 58 58 52 59 64 3O 54 55 49 45 49 (3 points) (a) Draw a stem and leaf display for the data. How would you describe the shape of the distribution? (2 points) (b) The mean is 47 minutes, and standard deviation is 17.90 minutes. Assuming the data are a representative sample from a normally distributed population, describe the distribution of chatting on the phone for the population