Calculating Moving Averages – Time Series | ATAR Maths Applications (WA)

In this video, we dive into moving averages, the first step in smoothing time series data and uncovering the underlying trend.

You’ll learn:

What a moving average is and why it’s used

How to calculate odd-point moving averages (like 3-point and 5-point) by hand

How to handle missing values at the start and end of a data set

How to interpret the smoothed data to determine if the trend is increasing, decreasing, or stable

This lesson is designed for students studying Year 12 ATAR Mathematics Applications in Western Australia, following the SCSA syllabus. It’s perfect for revision, exam prep, or catching up on class content — especially if time series has felt confusing in the past.

🎯 SCSA aligned
🧠 Concepts explained clearly, step by step
📈 Builds skills needed for prediction and analysis later in the topic

Видео Calculating Moving Averages – Time Series | ATAR Maths Applications (WA) канала Maths Help Series WA