2. The data below is the amount that a sample of 15 football players spent time for rest after training (in hours) 3.72 5.35 4.58 5.80 3.82 5.42 3.49 5.41 6.34 8.41 4.45 7.65 8.20 5.25 7.82
a) Calculate the interquartile range (IQR) for the above sample data.
b) Using Karl's Pearson coefficient of skewness, describe the distribution's shape. (15 marks)​