The following is a list of results of carbon 13 isotopic data from limestone collected in the field. 1. 01, 0. 59, 2. 32, 0.19, - 2. 39, - 3. 76, -0.8, 1.6, 0 . 28, - 1. 62, -0.33, -1. 26, - 0. 01, 1. 36, 0.99, 1. 12, - 0 . 45, 0 . 71, 1. 12, - 0. 72, 1. 36, 1. 59, 2. 27, 2. 25, 3.05, 2 . 58, 1. 94, 3.28. from this list determine the followingi. Reorganize and list the data into 8 classes with an interval range of unity 2 marks ii. Determine the frequency 2 marks iii. Determine the mean, mode and median values 3 marks iv. determine the cumulative frequency for the data 2 marks