
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 data of the annual sales volume $y$ (unit: hundred units) of new energy vehicles in a certain city from $2016$ to $2020$ and the year code $x$ are shown in the table below. If the regression line equation of $y$ with respect to $x$ obtained by the least squares method based on the data in the table is $\hat{y}=6.5x+9$, determine the value of $m$ in the table.

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