
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
In order to investigate the number of students participating in the extracurricular calligraphy club in each class of a school, 5 classes are randomly selected. The number of students participating in the club from each class is taken as sample data. It is known that the sample mean is 7 and the sample variance is 4, and the sample data are not the same. What is the maximum value in the sample data?

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