Below are the prices of toothpaste (100 ml), shampoo (500 ml), cough tablets (package of 100), and antiperspirant (45 g) for August 2001 and August 2005. Also included are the quantities purchased. Use August 2001 as the base. Item Toothpaste Shampoo August 2011 Price (Ksh) 2.49 3.29 Cough tablets 1.79 antiperspirant 2.29 Required; Quantity(litres) 6 4 2 3 August 2005 Price (Ksh) Quantity(litres) 2.69 3.59 2.79 3.79 6 53 4 i. Determine the Paasche price index. [3 marks] 2 marks] ii. Determine the simple aggregate price index. Determine Fisher's ideal index. iii. [2 marks] iv. Determine Laspeyres' price index. [3 marks] b) If the mean, median and standard deviation for a frequency distribution are given as 50, 48 and 8.96 respectively, calculate the Pearson's measure of skewness and comment on your answer. [4 marks]