The frequency table shows the time taken for 100 people to travel to an event.
| Time (minutes) | Frequency |
|---|---|
| 0<t≤100 < t \leq 100<t≤10 | 14 |
| 10<t≤2010 < t \leq 2010<t≤20 | 16 |
| 20<t≤3020 < t \leq 3020<t≤30 | 23 |
| 30<t≤4030 < t \leq 4030<t≤40 | 29 |
| 40<t≤5040 < t \leq 5040<t≤50 | 12 |
| 50<t≤6050 < t \leq 6050<t≤60 | 6 |
Find the percentage of people that travelled for more than 30 minutes to the event
Find the class interval that contains the median.
Find an estimate for the mean time taken for people to travel to the event.