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MIT BLOSSOMS Lesson “Do Credit Cards Make You Gain Weight? What is Correlation, and How to Distinguish It from Causation” by Kamilya Tazhibayeva Examples of POSITIVE versus NEGATIVE correlation A positive correlation means the variables increase or decrease at the same time: A negative correlation means that one variable increases as the other decreases:

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Page 1: blossoms.mit.edu€¦ · Web viewA negative correlation means that one variable increases as the other decreases: Examples of STRONG versus WEAK correlation A correlation is called

MIT BLOSSOMS Lesson “Do Credit Cards Make You Gain Weight? What is Correlation, and How to Distinguish It from Causation” by Kamilya Tazhibayeva

Examples of POSITIVE versus NEGATIVE correlation

A positive correlation means the variables increase or decrease at the same time:

A negative correlation means that one variable increases as the other decreases:

Page 2: blossoms.mit.edu€¦ · Web viewA negative correlation means that one variable increases as the other decreases: Examples of STRONG versus WEAK correlation A correlation is called

MIT BLOSSOMS Lesson “Do Credit Cards Make You Gain Weight? What is Correlation, and How to Distinguish It from Causation” by Kamilya Tazhibayeva

Examples of STRONG versus WEAK correlation

A correlation is called “strong” when the variables move together almost in unison:

A correlation is called “weak” when the variables just barely move together:

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