Linear Regression Basics
Learning Objective
I can calculate the correlation coefficient to determine the strength of the relationship between two variables.
Practice Questions
This lesson includes 9 practice questions to reinforce learning.
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1. What is the range of values for the correlation coefficient, and what do these values indicate about the strength and direction of the relationship between two variables?
2. If the correlation coefficient (R) between two variables is 0.85, what type of correlation exists, and what does this imply about how changes in one variable affect the other?
3. Explain the difference between a positive correlation and a negative correlation, providing an example of each type of relationship.
...and 6 more questions
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