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A sample of size n = $50$ was taken of two variable, quantitative data. A scatterplot of the two variables ($X$ and $Y$) shows a moderate, negative relationship between these variables.

One can conclude that

A

Variable $X$ causes change in variable $Y$.

B

Variable $Y$ causes change in variable $X$.

C

As $X$ increases, $Y$ tends to increase.

D

As $X$ increases, $Y$ tends to decrease.

E

Nothing since the relationship is moderate, not strong.

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