
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
Workshops A and B each produce a type of component. Every 10 minutes, a product is sampled from the automatic packaging conveyor belt to measure its quality, and the sampled data are recorded as follows:  
A: 102, 101, 99, 98, 103, 98, 99;  
B: 105, 102, 97, 92, 96, 101, 107;  
(1) What type of sampling is this?  
(2) Estimate the average quality and variance of the products from workshops A and B, and analyze which workshop's products are more stable;  
(3) If the product quality within the range (95, 105) is considered qualified, what is the qualification rate of the products produced by this factory?

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