
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
Given that s<sup>2</sup>\= $$\frac {1}{4}$$\[（3.2- $$\bar{x}$$）<sup>2</sup>+（5.7- $$\bar{x}$$）<sup>2</sup>+（4.3- $$\bar{x}$$）<sup>2</sup>+（6.8-$$\bar{x}$$）<sup>2</sup>\] is the calculation process written by Li Hua when calculating the variance of a set of data, then the value of $$\bar{x}$$ is \_\_\_\_\_\_.

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