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4 cards from this section. Quick, good the night before a test.
What type of correlation exists if both variables increase together?
Think about which direction both variables move.
If a scatter diagram displays points that do not form any discernible pattern, what does this indicate?
Consider what happens if points are scattered randomly.
What does a scatter diagram visually represent?
Think about how you visualize relationships.
True or False: A scatter plot can only show positive correlations.
Consider the different types of correlation discussed.
When given a scatter diagram with an upward slope, how would you explain the correlation if the data points are spread widely?
Consider external factors that could impact the relationship.
You have two sets of data with one showing a strong correlation and another with no correlation. Discuss the implications of each in a real-world context.
Think about examples like study habits versus grades and advertising spend versus sales.
6 more questions in this section. Enroll free to practise them all.
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