Moving Average
A smoothing technique used in time-series analysis that calculates the average of a set number of consecutive data point...
Formula
Moving Average = Sum of n consecutive values ÷ n
Real World
A retailer like Next uses 4-point moving averages on quarterly sales data to strip out seasonal Christmas spikes and identify the true underlying sales trend.
Exam Focus
In calculations, show each step clearly — examiners award method marks even if your final trend value is slightly off.
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