In Simple Linear Regression, the R² Value Measures the Percentage

question 17

True/False

In simple linear regression, the r² value measures the percentage of total variation in the sample data that cannot be explained by the x-to-y relationship that has been identified.

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Definitions:

Operational Definitions

Precise descriptions of the variables used in a study, defining them in terms of the specific operations or techniques used to measure or manipulate them.

Analogue Methodology

Research methods that simulate real-life situations in a controlled environment, often used to study behaviors or phenomena that cannot be directly manipulated for ethical or practical reasons.

Internal Validity

The degree to which a study can demonstrate a causal relationship between variables, free from the contamination of other variables that might confound the results.

External Validity

The degree to which a study's findings can be applied to different contexts and diverse individuals.