## positive correlation

### Positive correlation is a term commonly used in statistics and mathematics to describe a relationship between two variables in which they both move in the same direction

Positive correlation is a term commonly used in statistics and mathematics to describe a relationship between two variables in which they both move in the same direction. It means that as one variable increases, the other variable also increases, and as one variable decreases, the other variable also decreases. In other words, the variables have a direct relationship.

When plotting a scatter plot of two variables that have a positive correlation, the data points tend to form a pattern where they cluster around a line that slopes upward from left to right.

For example, let’s consider the relationship between hours studied and test scores. If there is a positive correlation between these two variables, it means that as the number of hours studied increases, the test scores also tend to increase. On the other hand, if a student spends less time studying, their test scores are likely to be lower.

It’s important to note that positive correlation does not necessarily mean that one variable is causing the change in the other variable. It simply states that there is a consistent relationship between the two.

To determine the strength of a positive correlation, we often use a correlation coefficient, typically denoted by the symbol “r.” The correlation coefficient ranges from -1 to 1. A value close to 1 indicates a strong positive correlation, while a value close to 0 suggests a weak positive correlation.

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