Listed below are the weights (kg) of 30 goats in a farm that the Agricultural Department was monitoring. 48 49 50 50 51 57 59 54 65 69 71 75 79 85 78 72 70 70 64 54 80 81 89 90 92 94 104 100 102 102 i) Construct a frequency distribution with six classes. ii) Construct a histogram, frequency polygon and the ogive for the above data. iii) Find the mean. iv) Find the median score. v) Calculate the variance and standard deviation. [2 + 6 + 2 + 2 + 2 = 14 marks]