In Time Series,which of the Following Cannot Be Predicted

question 55

Multiple Choice

In time series,which of the following cannot be predicted?

• A)large increases in demand
• B)cycles
• C)seasonal fluctuations
• D)random variations
• E)large decreases in demand

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Definitions:

Coefficient of Correlation

A statistical measure that indicates the extent to which two variables fluctuate together. A higher coefficient suggests a stronger relationship.

Overall Error

Overall Error encompasses the total inaccuracies or deviations from a standard or expected outcome, combining both systematic and random errors.

Negative Regression Slope

A negative regression slope indicates an inverse relationship between two variables in statistical modeling, where an increase in one variable results in a decrease in another.

Trend Projection

A time-series forecasting method that fits a trend line to a series of historical data points and then projects the line into the future for forecasts.