# Welcome to Helpful Stats!

Follow along the content using the topic names below. The topics are grouped for easier navigation.

#### The Basics

- What’s the deal about data?
- Are all data created equal?
- Describe data with central tendency
- What’s Data Visualisation?
- Common chart types
- Create awesome charts on Excel
- Create your first dashboard on Excel

- What’s Probability?
- Introducing the Normal Distribution
- What are sampling techniques?

#### Statistics Stuff

- Correlations
- Estimation techniques
- Confidence intervals
- Hypothesis testing
- One-way ANOVA
- Parametric tests
- Non-parametric tests
- What’s a time-series?
- Forecast by smoothing a time-series
- What’s seasonality?

#### Creating Models with Data

- Linear regression models
- Nonlinear regression models
- Multiple regression models
- What-if and Goal-seek in Excel
- Linear optimisation
- Nonlinear optimisation
- Binary models
- Integer models
- Decision analysis