We Study Relationships Among Numerical Variables Using

question 15

Multiple Choice

We study relationships among numerical variables using

• A) correlation
• B) covariance
• C) scatterplot charts
• D) all of these options
• E) none of these options

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Definitions:

Correlated

A statistical relationship where two variables move in relation to each other.

Grade-Point Average

A numerical calculation that represents the average of all final grades earned in courses over time, often used as a measure of academic achievement.

Illusory Correlation

The false perception of a relationship between two variables or events, typically due to cognitive bias.

Bystanders

Individuals who are present at an event or incident but do not take part in its occurrence.