MATH 225N WEEK 8 ASSIGNMENT

MATH 225N WEEK 8 ASSIGNMENT: CORRELATION AND
CAUSATION CORRECT ANSWERS / ALREADY GRADED A
A relationship or association between two variables (often exposure and outcome)
used to describe or predict information - ANSWER: Correlation

Correlations show - ANSWER: Patterns

True or false, the same thing can either be an exposure or and outcome depending
on the study - ANSWER: True

Variable relates to - ANSWER: Exposure, outcome

Independent variable relates to - ANSWER: Exposure

Risk factor relates to - ANSWER: Exposure

Contributing factor relates to - ANSWER: Exposure

Cause relates to - ANSWER: Exposure

Dependent variable relates to - ANSWER: Outcome

Effect relates to - ANSWER: Outcome

Types of correlations - ANSWER: Positive, negative, nonlinear

Height and weight - ANSWER: Positive correlation

Outdoor temperature and heating costs - ANSWER: Negative correlation

Each unit change in one variable does not bring the same unit change in the other
variable - ANSWER: Non linear correlation

Depth of anesthesia and heart rate - ANSWER: Non linear correlation

Causal relationship, causality, cause and effect - ANSWER: Causation

An observed exposure appears to have caused an outcome - ANSWER: Causation

Variable or exposure caused effect or outcome - ANSWER: Causation

Cause variable plays a regular and predictable role in the occurrence of the outcome
- ANSWER: Causation