Question
Pulse Frequancy Minimum Maximum Class width PULSE 60 74 86 54 90 80 66 68 68...
| Pulse | Frequancy |
| Minimum | |
| Maximum | |
| Class width |
| PULSE |
| 60 |
| 74 |
| 86 |
| 54 |
| 90 |
| 80 |
| 66 |
| 68 |
| 68 |
| 56 |
| 80 |
| 62 |
| 74 |
| 60 |
| 52 |
| 60 |
| 66 |
| 64 |
| 64 |
| 46 |
| 68 |
| 58 |
| 68 |
| 70 |
| 56 |
| 66 |
| 78 |
| 68 |
| 62 |
| 70 |
| 72 |
| 74 |
| 64 |
| 50 |
| 70 |
| 58 |
| 60 |
| 88 |
| 84 |
| 76 |
| 46 |
| 68 |
| 58 |
| 68 |
| 70 |
| 56 |
| 66 |
| 78 |
| 68 |
| 62 |
constructing a frequency table
1 decide on the number of classes(should be between 5 and 20
2 calculate round up (highest value)-(lowest value)/number of classes
3 staring point (from minum) begin choosing a lower limit of the first class
4 using the lower limit of the first class and class width proceed to list the lower class limits
5 list the lower class limits in a vertical column and proceed to enter the upper class limits
6 go through the data set putting a tally in the appropriate class for each data value
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