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The ______ of a Pearson correlation (r) assesses the ______ of the relationship between two variables
A) linearity; predictability
B) probability; direction
C) numeric value; strength
D) sign (+/-) ; strength
Pearson Correlation
A measure of the linear correlation between two variables, giving a value between -1 and 1.
Linearity
The attribute of a relationship between two variables where the change in the outcome is directly proportional to the change in the predictor.
Predictability
The extent to which future states or conditions of a system can be forecasted based on existing data or patterns.
- Understand the definition and calculation of Pearson correlation coefficient.
- Interpret the sign and numeric value of a Pearson correlation coefficient in terms of direction and strength of relationship.
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Learning Objectives
- Understand the definition and calculation of Pearson correlation coefficient.
- Interpret the sign and numeric value of a Pearson correlation coefficient in terms of direction and strength of relationship.
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