Pandas Series

$$ Mean = \int_0^{2\pi} \sin(x),dx $$

$$ \mu = \frac{\sum_{i=1}^n x_i}{n} $$

$$ \text{Median} = \frac{X_{\frac{n}{2}} + X_{\frac{n}{2}+1}}{2} $$

$$ {\displaystyle\text{Mean} = {\frac {1}{n}}\sum {i=1}^{n}a{i}={\frac {a_{1}+a_{2}+\cdots +a_{n}}{n}}} $$