Hi I'm Muhammad Faizan Student of ADP AF.
The Marks of 40 Students may group frequency distribute also draw its Histogram and make its stem and leaf display.
Random 40 number.
83, 95, 72, 78, 91, 61, 66, 89, 73, 97, 64, 79, 84, 76, 88, 62, 94, 71, 65, 98, 87, 61, 70, 80, 92, 75, 68, 82, 96, 63, 69, 81, 99, 74, 90, 67, 86, 93, 77, 100, 85
Grouped Frequences Distribuction.
Let Classes = 10
Range = Xm-Xo
100-61=39
Class Interval or Class Width or Size of Class
H=R/C
39/10 = 3.9 = 4
| Classes | Tally | Frequency |
|---|---|---|
| 60-64 | 5 (Tally mark) | 5 |
| 64-68 | 4 (Tally Mark) | 4 |
| 68-72 | 4 (Tally Mark) | 4 |
| 72-76 | 4 (Tally Mark) | 4 |
| 76-80 | 3 (Tally Mark) | 3 |
| 80-84 | 4 (Tally Mark) | 3 |
| 84-88 | 4 (Tally Mark) | 4 |
| 88-92 | 4(Tally Mark) | 4 |
| 92-96 | 4(Tally Mark) | 4 |
| 96-100 | 4(Tally Mark) | 4 |