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Researchers measured $9$ random students and recorded their shoe sizes and ages in the scatterplot below.
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Which of the following statements is true considering the scatterplot above?
The point ($4,9$) is an influential point.
This scatterplot has a moderate negative correlation.
This scatterplot has a very strong positive correlation.
This scatterplot has a moderate positive correlation.
The point ($3,7$) is a regression outlier.