Which of the Following Statements Is False

question 150

Multiple Choice

Which of the following statements is false?

• A)A moving average for a time period is the simple arithmetic average of the values in that time period and those close to it.
• B)A value of the smoothing constant w close to 1 results in a very large smoothing,whereas a value of w close to zero results in very little smoothing.
• C)The accuracy of the forecast with exponential smoothing decreases rapidly for predictions of the time series more than one period into the future.
• D)A moving average "forgets" most of the previous time-series values and is considered a relatively crude method of removing the random variation.

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Definitions:

Temperature

An indicator of how hot or cold an object or substance is, compared to a baseline value.

Molecular Motion

The random movement of molecules in matter due to their kinetic energy; this motion increases with temperature.

Atomic Number

It is the number of protons found in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.

Protons

Subatomic particles found in the nucleus of an atom, with a positive electric charge and contributing to the atomic number of an element.