In Measuring Seasonal and Random Variation of a Time Series

question 149

Multiple Choice

In measuring seasonal and random variation of a time series with no cyclical effect,we may use the:

• A)ratio of the time series divided by the moving average
• B)ratio of the time series divided by the predicted values
• C)trend value
• D)Both a and b

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Definitions:

Sympathetic

Part of the autonomic nervous system that prepares the body for 'fight or flight' responses, increasing heart rate and blood flow to muscles.

Nervous System

A network of billions of cells in the brain and the body, responsible for all aspects of what we think, feel, and do.

Endocrine System

A network of glands that produce and release hormones into the bloodstream, regulating body processes.

Endocrine System

A network of glands throughout the body that produces hormones regulating important body functions.