What percent of the sample weighs 170 lbs
Question
Could you show me how to get this answer?What percent of the sample weighs 170 lbs or
less?
| Lower Limit of Wt Class | Frequency | Cumulative % |
| 150 | 1 | 3.45% |
| 160 | 5 | 20.69% |
| 170 | 4 | 34.48% |
| 180 | 2 | 41.38% |
| 190 | 0 | 41.38% |
| 200 | 7 | 65.52% |
| 210 | 5 | 82.76% |
| 220 | 5 | 100.00% |