re is a data set: 122 61 69 85 130 74 74 217 129 123 87 85 82 159 101 122 181 72 157 101 38 76 71 126 161 110 101 156
Here is a data set:
| 122 | 61 | 69 | 85 |
| 130 | 74 | 74 | 217 |
| 129 | 123 | 87 | 85 |
| 82 | 159 | 101 | 122 |
| 181 | 72 | 157 | 101 |
| 38 | 76 | 71 | 126 |
| 161 | 110 | 101 | 156 |
Construct a grouped frequency distribution table (GFDT) for this data set. You want 10 classes with a "nice" class width. Your classes should be labeled using interval notation. Each class contains its lower class limit, and the lower class limits should all be multiples of the class width. In that the data appears to be discrete, use a closed-interval to label each class.
Frequency distribution table is a type of table which displays the frequencies. The frequency distribution table fromed with grouped data is called group frequency distribution table.
The given data are grouped into some subsets. This subsets are called class intervals.
Class width is the difference between upper class boundary and lower class boundary.
So, class width = upper class boundary - lower class boundary
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