Stationarity Means That the

question 7

Multiple Choice

Stationarity means that the

• A)error terms are not correlated.
• B)probability distribution of the time series variable does not change over time.
• C)time series has a unit root.
• D)forecasts remain within 1.96 standard deviation outside the sample period.

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Definitions:

Endosperm

The part of a seed that acts as a food store for the developing plant embryo, usually rich in starches, oils, and proteins.

Apical Dominance

A growth pattern in plants where the main, central stem grows more vigorously than the other side stems, which are suppressed.

Cytokinin

Plant hormone that promotes cell division in shoot apical meristem and cell differentiation in root apical meristem. Often opposes auxin’s effects.