Calculate the Standard Error of a Regression Equation If the Sum

question 24

Multiple Choice

Calculate the standard error of a regression equation if the sum of squared errors of the observations is 625 and the degrees of freedom in the regression is 25.

• A) 5
• B) 10
• C) 7.5
• D) 2.5
• E) 25

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Definitions:

Conceptual Replications

A method in scientific research where a study is conducted again with the same hypotheses but different methods or in different contexts to validate the original findings.

Random Assignment

A method used in experiments to assign participants to different groups in a way that each participant has an equal chance of being placed in any group.

Random Sample

A method of selecting a sample from a population in which every individual has an equal chance of being chosen.

Confounds

Variables that researchers fail to control or eliminate, which can cause a misunderstanding of the causal relationship in a study.