In terms of correlation, what does it mean when two measures increase together?

When two measures increase together, it indicates a positive correlation. Positive correlation signifies that as one variable rises in value, the other variable also tends to increase. This relationship can be represented on a scatter plot where the data points tend to cluster along an upward trendline.

Positive correlation is commonly observed in various fields, including biomedical engineering, where understanding the relationships between variables (such as the effectiveness of a treatment and patient recovery rates) is crucial for analysis and decision-making. It is important to note that positive correlation does not imply causation; it merely denotes a relationship where both variables move in the same direction.