
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 the scores of 20 students, which are 70, 80, 100, 60, 80, 70, 90, 50, 80, 70, 80, 70, 90, 80, 90, 80, 70, 90, 60, 80, determine the mode of their scores.

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