The following data represents the daily telephone calls received at a call center:
39 | 42 | 30 | 48 | 35 | 40 |
27 | 25 | 28 | 34 | 33 | 38 |
25 | 34 | 32 | 28 | 42 | 35 |
34 | 37 | 40 | 30 | 31 | 36 |
40 | 45 | 36 | 41 | 34 | 29 |
B- Prepare the dot plot and stem and stem diagram for ungrouped data. Compare these two graphs with the histogram and the previously made polygon.