**A1 – Data Analysis**

**Data** Distributions

1.2 Displaying Distributions of Categorical Data

1.3 Statistical Analysis of Categorical Distributions

1.5 Basic Statistical Concepts

1.6 Describing Numerical Distributions

**Associations** between** Two Variables**

2.1 Response and Explanatory Variables

2.2 Relationships between two Categorical Variables

2.3 Relationships between Numerical and Categorical Variables

2.4 Scatterplots and Association between Numerical Variables

2.5 Relationships between two Numerical Variables

### Linear Associations and Modelling

3.1 Least Squares Linear Regression

3.2 Modelling Linear Associations

3.3 Using the Formula for a Fitted Line

### Time Series Data and Modelling

4.1 Introduction to Time Series Plots* [Free] *

## A2 – Recursion and Financial Modelling

### Depreciation of Assets *[24Hrs Free]*

### Compound Interest Investment and Loans

### Reducing Balance Loans

3.1 Modelling Reducing Balance Systems with Regular Repayments

3.2 Modelling Reducing Balance Systems with Regular Repayments using Tables

3.3 Modelling Reducing Balance Systems with Regular Repayments using Technology

### Annuities and Perpetuities

## OA1 – Matrices

**OA2 – Networks and Decision Mathematics**

### Graphs and Networks *[24Hrs Free]*

*[24Hrs Free]*