If the Observations of a Time Series Increase or Decrease

question 63

True/False

If the observations of a time series increase or decrease regularly through time,we say that the time series has a random (or noise)component.

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Definitions:

Level Of Significance

A threshold in hypothesis testing that determines whether the null hypothesis can be rejected.

Null Hypothesis

A statement used in statistical testing which proposes that no statistical significance exists in a set of given observations.

Test Statistic

A value calculated from sample data during a hypothesis test used to determine the probability of observing such a result if the null hypothesis is true.

Null Hypothesis

A default hypothesis that there is no effect, difference, or relationship between variables or conditions being studied.