Mathematics for IGCSE & O level - Statistical Diagrams (Section 4 - No. 36)
What does a negative correlation on a scatter diagram indicate about the relationship between the two variables?
As one variable increases, the other also increases.
As one variable increases, the other decreases.
There is no relationship between the variables.
The variables are constant.
Giải thích
A negative correlation means that as one variable's value increases, the other's value tends to decrease.