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The masses, in kilograms, of patients who attended a clinic on a certain day were recorded as follows. 38 52 46 48 60 59 62 73 49 54 49 41 57 58 69 72 60 58 42 41 79 62 58 67 54 60 65 61 48 47 69 59 70 52 63 58 59 49 51 44 67 49 51 58 54 59 39 59 54 52
a) Starting with the class 35-39, make a frequency distribution table for the data.
b) Calculate: (I) the mean mass (ii) the median mass