
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
Machine A and Machine B are used to produce the same type of component over a span of 10 days. Daily counts of defective parts produced by each machine are as follows:

Machine A: 4, 1, 0, 2, 2, 1, 3, 1, 2, 4

Machine B: 2, 3, 1, 1, 3, 2, 2, 1, 2, 3

Calculate the mean and variance for these two data sets. Based on the statistical results, which machine has better performance?

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