When a Set of Simultaneous Equations Has More Variables Than

question 43

Multiple Choice

When a set of simultaneous equations has more variables than constraints,

• A) it is a basic set.
• B) it is a feasible set.
• C) there is a unique solution.
• D) there are many solutions.

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Definitions:

Systematic Variance

The portion of variation in an outcome that can be consistently explained by variables or factors in a study.

Error Variance

The variability in a set of data that cannot be attributed to the factors being studied, often resulting from measurement errors or other inconsistencies.

Dependent Sample Designs

Research designs involving comparisons of measurements from the same group of subjects under different conditions or at different times.

Extraneous Variables

Factors in a study that could undermine the internal validity by influencing the dependent variable in a way not intended by the research.