
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
Given 50 pieces of data divided into 5 groups, with a frequency of 6 for the first group, a sum of 20 for the second and fifth groups, and a frequency of 0.2 for the third group, calculate the frequency of the fourth group.

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