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3 cards from this section. Quick, good the night before a test.
What does a Pearson Correlation Coefficient of 0 indicate?
Think about what zero correlation means.
Define covariance in the context of correlation.
It relates to how two variables move together.
What is the highest value a Pearson Correlation Coefficient can take?
Remember the possible range of correlation values.
True or False: A correlation of -0.9 indicates a strong negative relationship between two variables.
Think about what the number means regarding direction.
Given the variables A = [3, 5, 7, 9] and B = [4, 8, 10, 12], calculate the Pearson Correlation Coefficient and interpret the results.
Follow the steps of the formula closely.
Describe a real-world scenario where understanding the Pearson Correlation Coefficient would be necessary and list potential pitfalls in its interpretation.
Think about how correlation does not imply causation.
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