Скачать или смотреть Centred Moving Averages – Even-Point MA | ATAR Maths Applications (WA)

In this video, we break down how to calculate and centre even-point moving averages – a key skill in the Time Series Analysis topic of Year 12 ATAR Mathematics Applications in Western Australia.

You’ll learn:

Why even-point moving averages need centring

Two methods for centring:
Averaging two moving averages
Halving the first and last values in the group

How to align centred values with the correct time period

How to work backwards to find a missing data point when given a CMA

This video is designed to help you master exam-style questions, understand the purpose behind the method, and build confidence in interpreting smoothed time series data.

🎯 WA SCSA syllabus aligned
📊 Clear explanations, step-by-step
📝 Includes working-backwards example