Question: The test statistic for a Pearson's correlation is the Pearson's correlation coefficient and is notated with r What are the possible values for r? What

The test statistic for a Pearson's correlation is the Pearson's correlation coefficient and is notated with "r"

  1. What are the possible values for r?
  2. What does a correlation of zero mean in terms of the two variables (X and Y)?
  3. What does a positive correlation mean in terms of the two variables (X and Y)?
  4. What does a negative correlation mean in terms of the two variables (X and Y)?
  5. Describe 3 research questions (specific scenarios) that you would use a Pearson's correlation for

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