Question

Which option is incorrect for the component of ti.me series.

A A non-seasonal cycle is a repetitive, possibly unpredictable, pattern in the series values Correct Answer Incorrect Answer
B A trend is a gradual upward or downward shift in the level of the series Correct Answer Incorrect Answer
C A sudden temporary shift is referred as pulse Correct Answer Incorrect Answer
D Shifts in the level of a time series that cannot be explained are referred to as seasonal cycles Correct Answer Incorrect Answer

Solution

The correct answer is D

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