
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
A certain school conducted a survey on the daily physical exercise time of seventh-grade students. After organizing the data, the following frequency distribution table was created. The median of this sample falls in group ____.

| Group | Time (hours) | Frequency (people) |
|-------|--------------|--------------------|
| Group 1 | $0\leqslant t \lt 0.5$ | 12 |
| Group 2 | $0.5\leqslant t \lt 1$ | 24 |
| Group 3 | $1\leqslant t \lt 1.5$ | 18 |
| Group 4 | $1.5\leqslant t \lt 2$ | 10 |
| Group 5 | $2\leqslant t \lt 2.5$ | 6 |

Present the answer in LaTex format: \boxed{Your answer}
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