Figure 31.21 -In Figure 31.21,what Is the Independent Variable

question 18

Multiple Choice

figure 31.21
-In figure 31.21,what is the independent variable?

• A)Proportion of eggs fertilized by a second male
• B)If cannibalization occurred
• C)If the males were sterile
• D)Copulation duration of the second male
• E)If the female ate the male

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Definitions:

Education Researcher

An individual specializing in studying, evaluating, and improving educational systems, methods, policies, and outcomes.

Stratified Sampling

A sampling method that divides the population into smaller groups, or strata, to ensure representation of significant subpopulations in the sample.

School Administrator

An official in an educational setting responsible for the management, coordination, and supervision of school operations and activities.

Freshmen

First-year students at a high school, college, or university.