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3 cards from this section. Quick, good the night before a test.
What is the range of the correlation coefficient?
Think about the highest and lowest values it can take.
Explain what a positive correlation indicates.
Consider two variables that move together.
What is the value range of the correlation coefficient?
Think of the extremes of this measure.
True or False: Correlation implies causation.
Recall the ice-cream sales and drowning rates example.
Given two datasets: X = [10, 20, 30] and Y = [3, 6, 9], calculate the correlation coefficient and discuss its implications.
Plot them out visually to see how they relate.
You collected data on study hours and test scores. Analyze and report any correlation you find.
Focus on the importance of reporting your findings.
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