ng Enabled: Student Engagement Exercise $2-$ Chap... $($i$)$

Which would not generally be considered a feature common to all forecasts?

Multiple Choice

Forecasts for groups of items tend to be more accurate than forecasts for individual items.

Accuracy decreases as the time horizon increases.

Actual results will differ somewhat from predicted values.

An assumption of a stable underlying causal system.

Historical data is available on which to base the forecast

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