When a Difference Between Two Groups Is Statistically Significant, This

question 143

Multiple Choice

When a difference between two groups is statistically significant, this means that

• A) the difference is statistically real but of little practical significance.
• B) the difference is probably the result of sampling variation.
• C) the difference is not likely to be due to chance variation.
• D) all of these statements are true.

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Definitions:

Temperate Grassland

A biome characterized by moderate rainfall, hot summers, and cold winters, hosting vast expanses of grasses and few trees, suitable for agriculture and grazing.

Steppe

A large area of flat, unforested grassland, especially in southeastern Europe or Siberia.

Pampas

Vast, fertile grasslands found in South America, particularly in Argentina, Uruguay, and southern Brazil, used for grazing and agriculture.

Grazing Herbivores

Animals that feed on plants by cropping them close to the ground, often playing a crucial role in maintaining the health of ecosystems.