If the Sum of Squared Residuals Is Zero,then The

question 281

Multiple Choice

If the sum of squared residuals is zero,then the:

• A)coefficient of determination must be 1.0.
• B)coefficient of correlation must be 1.0.
• C)linear relationship between x and y is perfect.
• D)All of these choices are true.

---

Definitions:

Limiting Resource

A resource in short supply that restricts the growth, abundance, or distribution of an organism or a population.

Competition

A biological interaction where organisms vie for the same resources, such as food, space, or mates, in an ecosystem, influencing the structure and diversity of communities.

Ecological Niche

The role and position a species has in its environment, including all of its interactions with the biotic and abiotic factors.

Trophic Level

The position an organism occupies in a food chain, defined by the number of steps it is from the primary source of energy.