
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
A grouped data with a sample size of 20 has the following interval and frequency distribution: [10,20), 2; [20,30), 3; [30,40), 4; [40,50), 5; [50,60), 4; [60,70], 2. Calculate the frequency of the data in the interval [10,50).

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