Kevin Is Studying Predator-Prey Interactions

question 43

Multiple Choice

Kevin is studying predator-prey interactions. One day he notices a spider eating a cricket caught in its web. Later that day, a bird eats the spider. How many species are involved in his study?

• A) 0
• B) 1
• C) 2
• D) 3
• E) 4

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Definitions:

Multiple Correlation

A statistical technique that measures the strength of the relationship between a dependent variable and two or more independent variables.

Predictors

Variables in statistical models that are used to forecast or estimate another variable of interest.

Multiple Correlation R

Represents the strength and direction of a correlation between one dependent variable and two or more independent variables.

Significant

In statistics, significant means that an observed effect or relationship is unlikely to be due to chance, typically measured by a p-value.