--- title: Statistics date: '2021-01-01' type: book weight: 40 math: true --- Introduction to statistics for data science. {{< icon name="clock" pack="fas" >}} 1-2 hours per week, for 8 weeks ## Learn The general form of the **normal** probability density function is: $$ f(x) = \frac{1}{\sigma \sqrt{2\pi} } e^{-\frac{1}{2}\left(\frac{x-\mu}{\sigma}\right)^2} $$ {{< callout note >}} The parameter $\mu$ is the mean or expectation of the distribution. $\sigma$ is its standard deviation. The variance of the distribution is $\sigma^{2}$. {{< /callout >}} ## Quiz {{< spoiler text="What is the parameter $\mu$?" >}} The parameter $\mu$ is the mean or expectation of the distribution. {{< /spoiler >}}