
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 the highest temperatures in a city from June 26th to June 30th, 2016 were $28^{\circ}C$, $29^{\circ}C$, $25^{\circ}C$, $25^{\circ}C$, $28^{\circ}C$ respectively, what is the variance of these temperatures? (Unit: $(^{\circ}C)^{2})$

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