Questions: 1. Give an example of variables that have correlation but no causation exists? [1 sentence or a graph] 2. How do we decide if
Questions: 1. Give an example of variables that have correlation but no causation exists? [1 sentence or a graph] 2. How do we decide if the correlation coefficient is close enough to _ 1 to declare that there is correlation? [1 sentence] 3. What is the problem with using a regression equation to predict what will happen in the distant future? [2 sentences]
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