We Calculate the Three-Period Moving Averages for a Time Series

question 4

Multiple Choice

We calculate the three-period moving averages for a time series for all time periods except the:

• A)first and last period.
• B)first two periods.
• C)last two periods.
• D)first and last two periods.

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Definitions:

Physical Weathering

The breakdown of rocks and minerals into smaller pieces by physical forces without changing their chemical composition.

Debris Flow

A moving mass of loose mud, sand, soil, rock, and water that travels down a slope under the influence of gravity.

Outer Weathered Zone

The outermost layer of Earth's surface that has been altered by weathering processes like wind, water, and chemical actions.

Preferential Weathering

The process where different parts of a rock weather at different rates due to variations in composition, strength, or permeability.