When two variables are positively associated is said that linear relationship between the variable when one value increases and other also increases. Thus option (D) is correct.
The variables are negatively associated it can be said that one variable increases and the other decreases. Thus option (A) is correct.
Variable refers to the quantity that keeps on changing. It can be a number, quantity measurement etc.
The complete question is attached below.
The variables are correlated linearly, meaning that if one variable's value rises, so does the value of the other variable.
The variables have a linear relationship, thus as one variable's value rises, the value of the other variable falls.
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