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10 cards from this deck
Uses statistical techniques to predict sales from historical data
Examines data over time periods to identify patterns & trends
Underlying long-term direction showing increase/decrease/stable
Smooths short-term fluctuations to reveal underlying trend
Used for even-period averages to align with specific time points
Eight-period moving total ÷ 8
Extending past trends into the future to make predictions
Actual sales - Trend
Perfect positive correlation - all points on upward line
Correlation doesn't prove one variable causes the other
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