
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
Two soldiers, A and B, each shot 10 times under the same conditions, and the scores for each shot were:  
A: 8  6  7  8  6  5  9  10  4  7  
B: 6  7  7  8  6  7  8  7  9  5  
(1) Calculate the average score for each set of data;  
(2) Calculate the variance for each set of data;  
(3) Based on the calculation results, assess the shooting performance of the two soldiers.

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