
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
The student used a calculator to find the average of 30 data points, but one of the data points, 75, was mistakenly input as 15. Calculate the difference between the calculated average and the actual average.

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