ආර්ථව දර්ශක නිමානය කිරීමට චල මධ්යක ක්රමය | Ratio to Moving Average Method
Автор: STAT with Nuwan
Загружено: 2025-11-27
Просмотров: 96
In this lesson, we explain the Ratio to Moving Average Method, one of the most accurate and commonly used techniques for estimating seasonal variations in time series data.
This method smooths irregular fluctuations using moving averages and then compares actual values with the trend to compute reliable seasonal indices.
In this video, you will learn:
What seasonal variation means
How moving averages help identify the underlying trend
Step-by-step procedure of the Ratio to Moving Average Method
How to calculate seasonal indices using moving average values
Practical numerical examples with detailed explanation
How to interpret and apply seasonal indices for forecasting
Ideal for students, lecturers, and researchers learning Statistics, Business Analytics, Economics, or Time Series.
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