QUESTION 3 (10 marks) Below are the descriptive statistics for four variables. All these values are generated from data on 30 developing countries from 1990 to 2017. No. Variables Mean Minimum Maximum Standard Deviation 1 sav 22.46 28.04 56.02 13.34 2 dom 24.68 12.67 50.00 6.64 3 fdi 3.04 -4.17 18.92 2.67 4 to 72.05 15.57 205.54 33.64 where sav = gross domestic savings to GDP (in %) dom = gross domestic investment to GDP (in %) fdi = net inflows of FDI to GDP (in %) to = sum of export and import to GDP (in %) a) Compute the values of variance for all four variables. (4 marks) b) Interpret the kurtosis value if the value of kurtosis for TO is 1.56. (2 marks) c) Based on the above descriptive statistics, describe two problems faced by the developing countries from 1990 to 2017. (4 marks)