Data Transformation and Representation Techniques

Here are the stem and leaf plots for the given data: 1(a) 7|4 5|2 6|7 8 9 6|8 6|4 7|1 5 8|1 7|3 6|8 6|4 7|5 7|1 5|7 6|7 5|7 5|9 7|2 7|9 6|4 7|0 4 7|7 7|9 6|5 6|8 7|6 8|3 6|1 6|3 1(b) 0|0 6 8 1|