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I need help with these 4 questions, 1. How do outliers influence correlation? 2. What happens when a scatterplot/scatter diagram shows the relationship to be

I need help with these 4 questions,

1. How do outliers influence correlation?

2. What happens when a scatterplot/scatter diagram shows the relationship to be curvilinear?

3. Explain how to determine the strength and the direction of a correlation.

4. What is the simplest way to visually represent a correlation?

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