An R² of 0

question 3

True/False

An R² of 0.70 mean 30% of the variability in the dependent variable was explained by the independent variable.

---

Definitions:

Sampling Distribution

The probability distribution of a given statistic based on a random sample, used to estimate properties of an underlying population.

Mean

The arithmetic average of a set of scores.

σ

A symbol commonly used in statistics to represent the standard deviation of a population.

Null Hypothesis

A statement in statistical hypothesis testing that asserts there is no significant effect or difference.