
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 school organized students to participate in a tree-planting activity. After the activity, the number of trees planted by each of the 50 students in Class 9A was recorded and a statistical table was drawn as follows:

| Number of Trees Planted | 3   | 4   | 5   | 6   |
|-------------------------|-----|-----|-----|-----|
| Number of Students      | 20  | 15  | 10  | 5   |

Then, on average, each of the 50 students planted ____ trees.

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