
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
Divide a sample of size 64 into 8 groups. The frequencies of groups 1 to 4 are 5, 7, 11, and 13, respectively. The frequency of groups 5 to 7 is 0.125 each. What is the frequency of the 8th group?

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