Algebra-1

Question Analysis
The question tests the understanding of negative correlation and the distinction between correlation and causation. It presents a scenario where the number of cups of coffee consumed and the number of hours of sleep are negatively correlated.

Key Concept Explanation
Correlation refers to a statistical association between two or more variables, meaning changes in one variable tend to be accompanied by changes in another. A negative correlation indicates that as one variable increases, the other tends to decrease. Causation, on the other hand, implies a direct cause-and-effect relationship. Correlation does not imply causation.

Step-by-step Solution
1. Identify the variables: number of cups of coffe...