Which of the Following Methods May Be Used to Smooth

question 110

Multiple Choice

Which of the following methods may be used to smooth a time series sufficiently to remove the random variation and to discover the existence of the other time-series components?

• A)Moving averages and exponential smoothing.
• B)Exponential smoothing and deseasonalising.
• C)Deseasonalising and mean absolute deviation.
• D)Mean absolute deviation and the percentage of trend.

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Definitions:

HBr

Hydrobromic acid, a strong acid formed by dissolving hydrogen bromide in water, used in chemical synthesis.

Basic Mechanism

Fundamental processes describing the simplest form of how reactions occur at a molecular level, often foundational to more complex mechanisms.

Organic Chemistry

A branch of chemistry that studies the structure, properties, composition, reactions, and preparation of carbon-containing compounds, which include not only hydrocarbons but also compounds with any number of other elements, including hydrogen, nitrogen, oxygen, halogens, phosphorus, silicon, and sulfur.

Reaction

A method whereby one or more materials (known as reactants) are transformed into one or more distinct materials (referred to as products).