One Can Deal with Potential Outliers by

question 17

Multiple Choice

One can deal with potential outliers by

• A)dropping them from the data set.
• B)including a dummy variable equal to 1 if the observation is an outlier.
• C)performing Weighted Least Squares.
• D)dividing the value of outlier by the sample mean.

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Definitions:

Atmosphere

The layer of gases surrounding a planet, crucial for supporting life on Earth, composed mainly of nitrogen, oxygen, argon, and carbon dioxide.

Fossil Fuels

Naturally occurring carbon-based fuels derived from the decomposed remains of ancient plants and animals, such as coal, oil, and natural gas.

Energy Pyramid

For an ecosystem, a graphic depicting the energy that flows through each trophic level in a given interval.

Trophic Level

The rank in the food chain of an organism, determined by the number of energy-transfer steps to that level.