The R² Can Only Increase When Extra Explanatory Variables Are

question 11

True/False

The R² can only increase when extra explanatory variables are added to a multiple regression model.

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Definitions:

Point Estimate

A single value or statistic that serves as the best guess or most plausible value of a population parameter based on sample data.

Sample Proportion

The fraction or percentage of the sample that represents a particular characteristic or attribute within the population.

Finite Population Correction Factor

A correction used in sampling to adjust for the effect of sampling without replacement from a finite population.

Subset

A set of elements that are all members of another set, and possibly fewer in number.