3.2 - Interpretation
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Practice Questions
Test your understanding with targeted questions
What does the intercept (β0) in a linear regression model represent?
💡 Hint: Think about what happens to the dependent variable when predictors do not contribute.
What does a slope of β1 = 3 imply in a regression context?
💡 Hint: Consider the effect of increasing the predictor variable.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does β1 represent in a linear regression equation?
💡 Hint: Remember the linear regression equation structure.
True or False: A higher R² score indicates a worse model fit.
💡 Hint: Think about what R² measures regarding model quality.
1 more question available
Challenge Problems
Push your limits with advanced challenges
You have a linear regression model with an intercept of 5 and a slope of 2. Predict y when x = 10, and interpret what this means in a real-world context.
💡 Hint: Apply the regression formula and think about its implications.
In a model yielding an R² of 0.92, discuss what this indicates about the relationship between independent and dependent variables, including potential limitations of interpretation.
💡 Hint: Consider other factors that may not be included in the model.
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